/* Event Functions */

// Add an event to the obj given
// event_name refers to the event trigger, without the "on", like click or mouseover
// func_name refers to the function callback when event is triggered
function addEvent(obj,event_name,func_name){
	if (obj.attachEvent){
		obj.attachEvent("on"+event_name, func_name);
	}else if(obj.addEventListener){
		obj.addEventListener(event_name,func_name,true);
	}else{
		obj["on"+event_name] = func_name;
	}
}

// Removes an event from the object
function removeEvent(obj,event_name,func_name){
	if (obj.detachEvent){
		obj.detachEvent("on"+event_name,func_name);
	}else if(obj.removeEventListener){
		obj.removeEventListener(event_name,func_name,true);
	}else{
		obj["on"+event_name] = null;
	}
}

// Stop an event from bubbling up the event DOM
function stopEvent(evt){
	evt || window.event;
	if (evt.stopPropagation){
		evt.stopPropagation();
		evt.preventDefault();
	}else if(typeof evt.cancelBubble != "undefined"){
		evt.cancelBubble = true;
		evt.returnValue = false;
	}
	return false;
}

// Get the obj that starts the event
function getElement(evt){
	if (window.event){
		return window.event.srcElement;
	}else{
		return evt.currentTarget;
	}
}
// Get the obj that triggers off the event
function getTargetElement(evt){
	if (window.event){
		return window.event.srcElement;
	}else{
		return evt.target;
	}
}
// For IE only, stops the obj from being selected
function stopSelect(obj){
	if (typeof obj.onselectstart != 'undefined'){
		addEvent(obj,"selectstart",function(){ return false;});
	}
}

/*    Caret Functions     */

// Get the end position of the caret in the object. Note that the obj needs to be in focus first
function getCaretEnd(obj){
	if(typeof obj.selectionEnd != "undefined"){
		return obj.selectionEnd;
	}else if(document.selection&&document.selection.createRange){
		var M=document.selection.createRange();
		try{
			var Lp = M.duplicate();
			Lp.moveToElementText(obj);
		}catch(e){
			var Lp=obj.createTextRange();
		}
		Lp.setEndPoint("EndToEnd",M);
		var rb=Lp.text.length;
		if(rb>obj.value.length){
			return -1;
		}
		return rb;
	}
}
// Get the start position of the caret in the object
function getCaretStart(obj){
	if(typeof obj.selectionStart != "undefined"){
		return obj.selectionStart;
	}else if(document.selection&&document.selection.createRange){
		var M=document.selection.createRange();
		try{
			var Lp = M.duplicate();
			Lp.moveToElementText(obj);
		}catch(e){
			var Lp=obj.createTextRange();
		}
		Lp.setEndPoint("EndToStart",M);
		var rb=Lp.text.length;
		if(rb>obj.value.length){
			return -1;
		}
		return rb;
	}
}
// sets the caret position to l in the object
function setCaret(obj,l){
	obj.focus();
	if (obj.setSelectionRange){
		obj.setSelectionRange(l,l);
	}else if(obj.createTextRange){
		m = obj.createTextRange();		
		m.moveStart('character',l);
		m.collapse();
		m.select();
	}
}
// sets the caret selection from s to e in the object
function setSelection(obj,s,e){
	obj.focus();
	if (obj.setSelectionRange){
		obj.setSelectionRange(s,e);
	}else if(obj.createTextRange){
		m = obj.createTextRange();		
		m.moveStart('character',s);
		m.moveEnd('character',e);
		m.select();
	}
}

/*    Escape function   */
String.prototype.addslashes = function(){
	return this.replace(/(["\\\.\|\[\]\^\*\+\?\$\(\)])/g, '\\$1');
}
String.prototype.trim = function () {
    return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
};
/* --- Escape --- */

/* Offset position from top of the screen */
function curTop(obj){
	toreturn = 0;
	while(obj){
		toreturn += obj.offsetTop;
		obj = obj.offsetParent;
	}
	return toreturn;
}
function curLeft(obj){
	toreturn = 0;
	while(obj){
		toreturn += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	return toreturn;
}
/* ------ End of Offset function ------- */

/* Types Function */

// is a given input a number?
function isNumber(a) {
    return typeof a == 'number' && isFinite(a);
}

/* Object Functions */

function replaceHTML(obj,text){
	while(el = obj.childNodes[0]){
		obj.removeChild(el);
	};
	obj.appendChild(document.createTextNode(text));
}


function actb(obj,ca){
	/* ---- Public Variables ---- */
	this.actb_timeOut = -1; // Autocomplete Timeout in ms (-1: autocomplete never time out)
	this.actb_lim = 4;    // Number of elements autocomplete can show (-1: no limit)
	this.actb_firstText = false; // should the auto complete be limited to the beginning of keyword?
	this.actb_mouse = true; // Enable Mouse Support
	this.actb_delimiter = new Array(';',',');  // Delimiter for multiple autocomplete. Set it to empty array for single autocomplete
	this.actb_startcheck = 1; // Show widget only after this number of characters is typed in.
	/* ---- Public Variables ---- */

	/* --- Styles --- */
	this.actb_bgColor = '#888888';
	this.actb_textColor = '#FFFFFF';
	this.actb_hColor = '#000000';
	this.actb_fFamily = 'Verdana';
	this.actb_fSize = '11px';
	this.actb_hStyle = 'text-decoration:underline;font-weight="bold"';
	/* --- Styles --- */

	/* ---- Private Variables ---- */
	var actb_delimwords = new Array();
	var actb_cdelimword = 0;
	var actb_delimchar = new Array();
	var actb_display = false;
	var actb_pos = 0;
	var actb_total = 0;
	var actb_curr = null;
	var actb_rangeu = 0;
	var actb_ranged = 0;
	var actb_bool = new Array();
	var actb_pre = 0;
	var actb_toid;
	var actb_tomake = false;
	var actb_getpre = "";
	var actb_mouse_on_list = 1;
	var actb_kwcount = 0;
	var actb_caretmove = false;
	this.actb_keywords = new Array();
	/* ---- Private Variables---- */
	
	this.actb_keywords = ca;
	var actb_self = this;

	actb_curr = obj;
	
	addEvent(actb_curr,"focus",actb_setup);
	function actb_setup(){
		addEvent(document,"keydown",actb_checkkey);
		addEvent(actb_curr,"blur",actb_clear);
		addEvent(document,"keypress",actb_keypress);
	}

	function actb_clear(evt){
		if (!evt) evt = event;
		removeEvent(document,"keydown",actb_checkkey);
		removeEvent(actb_curr,"blur",actb_clear);
		removeEvent(document,"keypress",actb_keypress);
		actb_removedisp();
	}
	function actb_parse(n){
		if (actb_self.actb_delimiter.length > 0){
			var t = actb_delimwords[actb_cdelimword].trim().addslashes();
			var plen = actb_delimwords[actb_cdelimword].trim().length;
		}else{
			var t = actb_curr.value.addslashes();
			var plen = actb_curr.value.length;
		}
		var tobuild = '';
		var i;

		if (actb_self.actb_firstText){
			var re = new RegExp("^" + t, "i");
		}else{
			var re = new RegExp(t, "i");
		}
		var p = n.search(re);
				
		for (i=0;i<p;i++){
			tobuild += n.substr(i,1);
		}
		tobuild += "<font style='"+(actb_self.actb_hStyle)+"'>"
		for (i=p;i<plen+p;i++){
			tobuild += n.substr(i,1);
		}
		tobuild += "</font>";
			for (i=plen+p;i<n.length;i++){
			tobuild += n.substr(i,1);
		}
		return tobuild;
	}
	function actb_generate(){
		if (document.getElementById('tat_table')){ actb_display = false;document.body.removeChild(document.getElementById('tat_table')); } 
		if (actb_kwcount == 0){
			actb_display = false;
			return;
		}
		a = document.createElement('table');
		a.cellSpacing='1px';
		a.cellPadding='2px';
		a.style.position='absolute';
		a.style.top = eval(curTop(actb_curr) + actb_curr.offsetHeight) + "px";
		a.style.left = curLeft(actb_curr) + "px";
		a.style.backgroundColor=actb_self.actb_bgColor;
		a.id = 'tat_table';
		document.body.appendChild(a);
		var i;
		var first = true;
		var j = 1;
		if (actb_self.actb_mouse){
			a.onmouseout = actb_table_unfocus;
			a.onmouseover = actb_table_focus;
		}
		var counter = 0;
		for (i=0;i<actb_self.actb_keywords.length;i++){
			if (actb_bool[i]){
				counter++;
				r = a.insertRow(-1);
				if (first && !actb_tomake){
					r.style.backgroundColor = actb_self.actb_hColor;
					first = false;
					actb_pos = counter;
				}else if(actb_pre == i){
					r.style.backgroundColor = actb_self.actb_hColor;
					first = false;
					actb_pos = counter;
				}else{
					r.style.backgroundColor = actb_self.actb_bgColor;
				}
				r.id = 'tat_tr'+(j);
				c = r.insertCell(-1);
				c.style.color = actb_self.actb_textColor;
				c.style.fontFamily = actb_self.actb_fFamily;
				c.style.fontSize = actb_self.actb_fSize;
				c.innerHTML = actb_parse(actb_self.actb_keywords[i]);
				c.id = 'tat_td'+(j);
				c.setAttribute('pos',j);
				if (actb_self.actb_mouse){
					c.style.cursor = 'pointer';
					c.onclick=actb_mouseclick;
					c.onmouseover = actb_table_highlight;
				}
				j++;
			}
			if (j - 1 == actb_self.actb_lim && j < actb_total){
				r = a.insertRow(-1);
				r.style.backgroundColor = actb_self.actb_bgColor;
				c = r.insertCell(-1);
				c.style.color = actb_self.actb_textColor;
				c.style.fontFamily = 'arial narrow';
				c.style.fontSize = actb_self.actb_fSize;
				c.align='center';
				replaceHTML(c,'\\/');
				if (actb_self.actb_mouse){
					c.style.cursor = 'pointer';
					c.onclick = actb_mouse_down;
				}
				break;
			}
		}
		actb_rangeu = 1;
		actb_ranged = j-1;
		actb_display = true;
		if (actb_pos <= 0) actb_pos = 1;
	}
	function actb_remake(){
		document.body.removeChild(document.getElementById('tat_table'));
		a = document.createElement('table');
		a.cellSpacing='1px';
		a.cellPadding='2px';
		a.style.position='absolute';
		a.style.top = eval(curTop(actb_curr) + actb_curr.offsetHeight) + "px";
		a.style.left = curLeft(actb_curr) + "px";
		a.style.backgroundColor=actb_self.actb_bgColor;
		a.id = 'tat_table';
		if (actb_self.actb_mouse){
			a.onmouseout= actb_table_unfocus;
			a.onmouseover=actb_table_focus;
		}
		document.body.appendChild(a);
		var i;
		var first = true;
		var j = 1;
		if (actb_rangeu > 1){
			r = a.insertRow(-1);
			r.style.backgroundColor = actb_self.actb_bgColor;
			c = r.insertCell(-1);
			c.style.color = actb_self.actb_textColor;
			c.style.fontFamily = 'arial narrow';
			c.style.fontSize = actb_self.actb_fSize;
			c.align='center';
			replaceHTML(c,'/\\');
			if (actb_self.actb_mouse){
				c.style.cursor = 'pointer';
				c.onclick = actb_mouse_up;
			}
		}
		for (i=0;i<actb_self.actb_keywords.length;i++){
			if (actb_bool[i]){
				if (j >= actb_rangeu && j <= actb_ranged){
					r = a.insertRow(-1);
					r.style.backgroundColor = actb_self.actb_bgColor;
					r.id = 'tat_tr'+(j);
					c = r.insertCell(-1);
					c.style.color = actb_self.actb_textColor;
					c.style.fontFamily = actb_self.actb_fFamily;
					c.style.fontSize = actb_self.actb_fSize;
					c.innerHTML = actb_parse(actb_self.actb_keywords[i]);
					c.id = 'tat_td'+(j);
					c.setAttribute('pos',j);
					if (actb_self.actb_mouse){
						c.style.cursor = 'pointer';
						c.onclick=actb_mouseclick;
						c.onmouseover = actb_table_highlight;
					}
					j++;
				}else{
					j++;
				}
			}
			if (j > actb_ranged) break;
		}
		if (j-1 < actb_total){
			r = a.insertRow(-1);
			r.style.backgroundColor = actb_self.actb_bgColor;
			c = r.insertCell(-1);
			c.style.color = actb_self.actb_textColor;
			c.style.fontFamily = 'arial narrow';
			c.style.fontSize = actb_self.actb_fSize;
			c.align='center';
			replaceHTML(c,'\\/');
			if (actb_self.actb_mouse){
				c.style.cursor = 'pointer';
				c.onclick = actb_mouse_down;
			}
		}
	}
	function actb_goup(){
		if (!actb_display) return;
		if (actb_pos == 1) return;
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_bgColor;
		actb_pos--;
		if (actb_pos < actb_rangeu) actb_moveup();
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_hColor;
		if (actb_toid) clearTimeout(actb_toid);
		if (actb_self.actb_timeOut > 0) actb_toid = setTimeout(function(){actb_mouse_on_list=0;actb_removedisp();},actb_self.actb_timeOut);
	}
	function actb_godown(){
		if (!actb_display) return;
		if (actb_pos == actb_total) return;
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_bgColor;
		actb_pos++;
		if (actb_pos > actb_ranged) actb_movedown();
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_hColor;
		if (actb_toid) clearTimeout(actb_toid);
		if (actb_self.actb_timeOut > 0) actb_toid = setTimeout(function(){actb_mouse_on_list=0;actb_removedisp();},actb_self.actb_timeOut);
	}
	function actb_movedown(){
		actb_rangeu++;
		actb_ranged++;
		actb_remake();
	}
	function actb_moveup(){
		actb_rangeu--;
		actb_ranged--;
		actb_remake();
	}

	/* Mouse */
	function actb_mouse_down(){
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_bgColor;
		actb_pos++;
		actb_movedown();
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_hColor;
		actb_curr.focus();
		actb_mouse_on_list = 0;
		if (actb_toid) clearTimeout(actb_toid);
		if (actb_self.actb_timeOut > 0) actb_toid = setTimeout(function(){actb_mouse_on_list=0;actb_removedisp();},actb_self.actb_timeOut);
	}
	function actb_mouse_up(evt){
		if (!evt) evt = event;
		if (evt.stopPropagation){
			evt.stopPropagation();
		}else{
			evt.cancelBubble = true;
		}
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_bgColor;
		actb_pos--;
		actb_moveup();
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_hColor;
		actb_curr.focus();
		actb_mouse_on_list = 0;
		if (actb_toid) clearTimeout(actb_toid);
		if (actb_self.actb_timeOut > 0) actb_toid = setTimeout(function(){actb_mouse_on_list=0;actb_removedisp();},actb_self.actb_timeOut);
	}
	function actb_mouseclick(evt){
		if (!evt) evt = event;
		if (!actb_display) return;
		actb_mouse_on_list = 0;
		actb_pos = this.getAttribute('pos');
		actb_penter();
	}
	function actb_table_focus(){
		actb_mouse_on_list = 1;
	}
	function actb_table_unfocus(){
		actb_mouse_on_list = 0;
		if (actb_toid) clearTimeout(actb_toid);
		if (actb_self.actb_timeOut > 0) actb_toid = setTimeout(function(){actb_mouse_on_list = 0;actb_removedisp();},actb_self.actb_timeOut);
	}
	function actb_table_highlight(){
		actb_mouse_on_list = 1;
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_bgColor;
		actb_pos = this.getAttribute('pos');
		while (actb_pos < actb_rangeu) actb_moveup();
		while (actb_pos > actb_ranged) actb_movedown();
		document.getElementById('tat_tr'+actb_pos).style.backgroundColor = actb_self.actb_hColor;
		if (actb_toid) clearTimeout(actb_toid);
		if (actb_self.actb_timeOut > 0) actb_toid = setTimeout(function(){actb_mouse_on_list = 0;actb_removedisp();},actb_self.actb_timeOut);
	}
	/* ---- */

	function actb_insertword(a){
		if (actb_self.actb_delimiter.length > 0){
			str = '';
			l=0;
			for (i=0;i<actb_delimwords.length;i++){
				if (actb_cdelimword == i){
					prespace = postspace = '';
					gotbreak = false;
					for (j=0;j<actb_delimwords[i].length;++j){
						if (actb_delimwords[i].charAt(j) != ' '){
							gotbreak = true;
							break;
						}
						prespace += ' ';
					}
					for (j=actb_delimwords[i].length-1;j>=0;--j){
						if (actb_delimwords[i].charAt(j) != ' ') break;
						postspace += ' ';
					}
					str += prespace;
					str += a;
					l = str.length;
					if (gotbreak) str += postspace;
				}else{
					str += actb_delimwords[i];
				}
				if (i != actb_delimwords.length - 1){
					str += actb_delimchar[i];
				}
			}
			actb_curr.value = str;
			setCaret(actb_curr,l);
		}else{
			actb_curr.value = a;
		}
		actb_mouse_on_list = 0;
		actb_removedisp();
	}
	function actb_penter(){
		if (!actb_display) return;
		actb_display = false;
		var word = '';
		var c = 0;
		for (var i=0;i<=actb_self.actb_keywords.length;i++){
			if (actb_bool[i]) c++;
			if (c == actb_pos){
				word = actb_self.actb_keywords[i];
				break;
			}
		}
		actb_insertword(word);
		l = getCaretStart(actb_curr);
	}
	function actb_removedisp(){
		if (actb_mouse_on_list==0){
			actb_display = 0;
			if (document.getElementById('tat_table')){ document.body.removeChild(document.getElementById('tat_table')); }
			if (actb_toid) clearTimeout(actb_toid);
		}
	}
	function actb_keypress(e){
		if (actb_caretmove) stopEvent(e);
		return !actb_caretmove;
	}
	function actb_checkkey(evt){
		if (!evt) evt = event;
		a = evt.keyCode;
		caret_pos_start = getCaretStart(actb_curr);
		actb_caretmove = 0;
		switch (a){
			case 38:
				actb_goup();
				actb_caretmove = 1;
				return false;
				break;
			case 40:
				actb_godown();
				actb_caretmove = 1;
				return false;
				break;
			case 13: case 9:
				if (actb_display){
					actb_caretmove = 1;
					actb_penter();
					return false;
				}else{
					return true;
				}
				break;
			default:
				setTimeout(function(){actb_tocomplete(a)},50);
				break;
		}
	}

	function actb_tocomplete(kc){
		if (kc == 38 || kc == 40 || kc == 13) return;
		var i;
		if (actb_display){ 
			var word = 0;
			var c = 0;
			for (var i=0;i<=actb_self.actb_keywords.length;i++){
				if (actb_bool[i]) c++;
				if (c == actb_pos){
					word = i;
					break;
				}
			}
			actb_pre = word;
		}else{ actb_pre = -1};
		
		if (actb_curr.value == ''){
			actb_mouse_on_list = 0;
			actb_removedisp();
			return;
		}
		if (actb_self.actb_delimiter.length > 0){
			caret_pos_start = getCaretStart(actb_curr);
			caret_pos_end = getCaretEnd(actb_curr);
			
			delim_split = '';
			for (i=0;i<actb_self.actb_delimiter.length;i++){
				delim_split += actb_self.actb_delimiter[i];
			}
			delim_split = delim_split.addslashes();
			delim_split_rx = new RegExp("(["+delim_split+"])");
			c = 0;
			actb_delimwords = new Array();
			actb_delimwords[0] = '';
			for (i=0,j=actb_curr.value.length;i<actb_curr.value.length;i++,j--){
				if (actb_curr.value.substr(i,j).search(delim_split_rx) == 0){
					ma = actb_curr.value.substr(i,j).match(delim_split_rx);
					actb_delimchar[c] = ma[1];
					c++;
					actb_delimwords[c] = '';
				}else{
					actb_delimwords[c] += actb_curr.value.charAt(i);
				}
			}

			var l = 0;
			actb_cdelimword = -1;
			for (i=0;i<actb_delimwords.length;i++){
				if (caret_pos_end >= l && caret_pos_end <= l + actb_delimwords[i].length){
					actb_cdelimword = i;
				}
				l+=actb_delimwords[i].length + 1;
			}
			var ot = actb_delimwords[actb_cdelimword].trim(); 
			var t = actb_delimwords[actb_cdelimword].addslashes().trim();
		}else{
			var ot = actb_curr.value;
			var t = actb_curr.value.addslashes();
		}
		if (ot.length == 0){
			actb_mouse_on_list = 0;
			actb_removedisp();
		}
		if (ot.length < actb_self.actb_startcheck) return this;
		if (actb_self.actb_firstText){
			var re = new RegExp("^" + t, "i");
		}else{
			var re = new RegExp(t, "i");
		}

		actb_total = 0;
		actb_tomake = false;
		actb_kwcount = 0;
		for (i=0;i<actb_self.actb_keywords.length;i++){
			actb_bool[i] = false;
			if (re.test(actb_self.actb_keywords[i])){
				actb_total++;
				actb_bool[i] = true;
				actb_kwcount++;
				if (actb_pre == i) actb_tomake = true;
			}
		}

		if (actb_toid) clearTimeout(actb_toid);
		if (actb_self.actb_timeOut > 0) actb_toid = setTimeout(function(){actb_mouse_on_list = 0;actb_removedisp();},actb_self.actb_timeOut);
		actb_generate();
	}
	return this;
}




function changeTabs(queryString, actType)
{
	var url = 'search_results.cgi?' + queryString + '&actType=' + actType;
	location.href = url;
}


function modifysearch(s_mod,s_modicon){
	o_mod = document.getElementById(s_mod);o_modicon = document.getElementById(s_modicon);
	switch(modifysearch.arguments[2]){
	case 1:
		o_mod.style.display = "block";
		if((o_modicon.src.indexOf("show")>-1)) {o_modicon.src = o_modicon.src.replace("show","hide")};
	break;
	default:
		o_mod.style.display = (o_mod.style.display=="none") ? "block" : "none";
		o_modicon.src = (o_modicon.src.indexOf("show")>-1) ? o_modicon.src.replace("show","hide") :o_modicon.src.replace("hide","show");
	}
}

function modifySuiteCase(s_case,s_casecon){
	o_case = document.getElementById(s_case);o_casecon = document.getElementById(s_casecon);
	switch(modifySuiteCase.arguments[2]){
	case 1:
		o_case.style.display = "block";
		if((s_casecon.src.indexOf("show")>-1)) {s_casecon.src = s_casecon.src.replace("show","hide")};
	break;
	default:
		o_case.style.display = (o_case.style.display=="none") ? "block" : "none";
		s_casecon.src = (s_casecon.src.indexOf("show")>-1) ? s_casecon.src.replace("show","hide") : s_casecon.src.replace("hide","show");
	}
}

function changeSym(){
	if (document.getElementById('symPlus').style.display == 'block') {
		document.getElementById('symPlus').style.display = 'none';
		document.getElementById('symMinus').style.display = 'block';
		document.getElementById('activities_cart').style.display = 'block';
	}
	else if (document.getElementById('symMinus').style.display == 'block') {
		document.getElementById('symMinus').style.display = 'none';
		document.getElementById('symPlus').style.display = 'block';
		document.getElementById('activities_cart').style.display = 'none';
	}
}


function noneBlock(){
	a_arguments = noneBlock.arguments;
	for(var i=0;i < a_arguments.length;i++){
		a_nB = a_arguments[i].split("!");s_nBit = a_nB[0];i_nBdisplay = a_nB[1];
		o_showHide = document.getElementById(s_nBit)
		o_showHide.style.display = (i_nBdisplay==0) ? "none" : (i_nBdisplay==1) ? "block" : "inline";
	}
}

function checkEmail (strng) {
	var error = false;
	if (strng == "") {
	    return true;
	}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = true;
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = true;
       }
    }
return error;    
}

// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
	var error = false;
		if (strng == "") {
		   return true;
		}
	
	var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    error = !isNumeric(stripped);
	if (!(stripped.length > 9)) {
		error = true;
	} 
	return error;
}

// text-box numeric value
function isNumeric(strng){
	var numeric = true;
	var invalidChars = /\D/;
	if (strng.match(invalidChars)){
			numeric = false;
	}
	return numeric;
}

// non-empty textbox
function isEmpty(strng) {
	var error = false;
	if (strng.length == 0) {
		 error = true;
	}
return error;	  
}

function isValidChar(strng){
	var validChar = true;
	var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]\@0-9\!\#\$\%\^\&\*\{\}\'\?\>\<\|\~\`]/
	if (strng.match(illegalChars)) {
	  validChar = false;
   	}
	return validChar;
}

// exactly one radio button is chosen

function checkRadio(checkvalue) {
	var error = false;
	if (!(checkvalue)) {
       error = true;
    }
	return error;
} 


function writeError(id,msgIdArray)
{
	// msgIdArray - array of error id
	if (document.getElementById){
		x = document.getElementById(id);
	}
	else if (document.all){
		x = document.all[id];			
	}
	var text ='<ul>';
	for (var i=0; i<msgIdArray.length; i++){
		text += "<li>"+msgIdArray[i]+"</li>";
	}
	text += '</ul>';
	x.innerHTML = '';	
	x.innerHTML = text;
}


function formSwitch(s_selected,i_onoff){
	if (i_onoff&&document.getElementById("cvninfo")) {
		switch (s_selected){
		case "CA" :
	  noneBlock ("cvn_ca!1","cvn_ax!0","cvn_vi!0","cvn_ds!0","cvninfo!1");
   	break;
	  case "AX" :
	  noneBlock ("cvn_ca!0","cvn_ax!1","cvn_vi!0","cvn_ds!0","cvninfo!1");
	  break;
		case "VI" :
	  noneBlock ("cvn_ca!0","cvn_ax!0","cvn_vi!1","cvn_ds!0","cvninfo!1");
	  break;
		case "DS" :
	  noneBlock ("cvn_ca!0","cvn_ax!0","cvn_vi!0","cvn_ds!1","cvninfo!1");
	  break;
		default: 
		 noneBlock ("cvn_ca!0","cvn_ax!0","cvn_vi!0","cvn_ds!0","cvninfo!0");
		break;
		}
	}
	else if
	(s_selected == "DB"){
	document.getElementById("ccinfo").style.display = "none";
	document.getElementById("switchinfo").style.display="block";
	if(document.getElementById("debitinfo"))document.getElementById("debitinfo").style.display="none";
	}else if (s_selected == "DD"){
	document.getElementById("ccinfo").style.display = "none";
	document.getElementById("debitinfo").style.display="block";
	if(document.getElementById("switchinfo"))document.getElementById("switchinfo").style.display="none";
	}else{
	document.getElementById("ccinfo").style.display = "block";
	if(document.getElementById("switchinfo"))document.getElementById("switchinfo").style.display="none";
	if(document.getElementById("debitinfo"))document.getElementById("debitinfo").style.display="none";
	}
}


// Detect to see if the credit card number entered is a Travelocity MasterCard. 
// field is the text box whose value is being checked.  Normally, this will be detectMC(this, ...)
// div is the ID of the div to show.  
// I did not use the showHide function b/c that can create strange toggling of the div when the number is changed but is still a Tvly MC.
function detectMC(field, div) {
	showwhat = document.getElementById(div);
	var val = field.value.substr(0,6);
	if (val == '546613' || val == '530904' || val == '555555' || val == '530902' || val == '530906') { 
		showwhat.style.display = "block";
		}
	else {
		showwhat.style.display = "none";
		}
	}

var o_popurl = "#";
var o_popwindow = 0;
var b_popwindow = 1;
function checkpopUp(){
 b_popwindow = (o_popwindow) ? o_popwindow.closed : 1;
  if(b_popwindow) document.location = o_popurl;
  else o_popwindow.focus();
}

function popUp(s_url,s_name,s_attrib){
 o_popurl = s_url;
 o_popwindow = window.open(s_url,s_name,s_attrib);
 setTimeout("checkpopUp()",500);
}


function emailValue () {
	emailval = document.getElementById('email').value; // gets the value of the email field at time of focus
}


function clearVerify() {
	newemailval = document.getElementById('email').value; //get the value of the email field at time of the key press
	confemailval = document.getElementById('confemail').value; //get the value of the confirmation email field at time of key press

    /* see if the email field has changed.  
	** If so, see if the email field value matches what's currently in the conf email field.  
	** If it doesn't (i.e. it's new), clear the confirmation field. 
	** -PB  */
	if ((newemailval != emailval) && (confemailval != newemailval))   
	{
	document.getElementById('confemail').value = '';
	}
}

function showHide() {
	for(i=0;i < showHide.arguments.length;i++){
		o_showHide = document.getElementById(showHide.arguments[i])
		s_showHide = (o_showHide.style.display!="") ? o_showHide.style.display : "none";
		o_showHide.style.display = (s_showHide=="none") ? (o_showHide.nodeName=="SPAN") ? "inline" : "block" : "none";
	}
}

function cssSwitch(){
	a_cS = cssSwitch.arguments;
	for (i=0;i < a_cS.length;i++){
		a_cSsplit=(a_cS[i].indexOf("&")!=-1) ? a_cS[i].split("&"):a_cS[i].split("!");
		document.getElementById(a_cSsplit[0]).className = a_cSsplit[1];
	}
}

function uncheckAll()
{
	document.modifySearch.ACTTYPE_all.checked = false;
}

function uncheck()
{
	document.modifySearch.ACTTYPE_attraction.checked 	= false;
	document.modifySearch.ACTTYPE_shows.checked 		= false;
	document.modifySearch.ACTTYPE_tours.checked 		= false;
	document.modifySearch.ACTTYPE_outdoor.checked 		= false;
	document.modifySearch.ACTTYPE_dining.checked		= false;
	document.modifySearch.ACTTYPE_transport.checked		= false;
}



function actOpenCalRel(v_input,s_from,s_to,s_cal,s_parent,s_mode,s_caldir,s_class,e){
	// dynamically calculate the location of the div layer
	// then call the calendar and set the margin-top to this location
	// This will override the style sheet for margin-top.
	var posY = moveObjectY(e);	
	var posX = moveObjectX(e);

	if(document.getElementById){
		document.getElementById(s_cal).style.marginTop = parseInt(posY);			
		document.getElementById(s_cal).style.marginLeft = parseInt(posX);
	}else if(document.all){
        document.all[s_cal].style.marginTop = parseInt(posY);
        document.all[s_cal].style.marginLeft = parseInt(posX);
    }else if(document.layers){
        document.layers[s_cal].marginTop = parseInt(posY);
        document.layers[s_cal].marginLeft = parseInt(posX);		
    } 
	openCal(v_input,s_from,s_to,s_cal,s_parent,s_mode,s_caldir,s_class);	
}


function changeOptionDate(inM,inD)
{
	// Dynamically add/remove dates according to the selected month
	var o_days = new Array(31, ((getYear(inM.options.selectedIndex) % 4 == 0 && getYear(inM.options.selectedIndex) % 100 != 0) || getYear(inM.options.selectedIndex) % 400 == 0 ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); // Set the days for each month

	if (inD.options.length >o_days[inM.options.selectedIndex])
	{
		for (var i = 31; i >= o_days[inM.options.selectedIndex]; i--)
		{
			inD.options[i] = null;
		}
	}
	if (inD.options.length <o_days[inM.options.selectedIndex])
	{
		for (var i = inD.options.length+1; i <=o_days[inM.options.selectedIndex]; i++)
		{
			inD.options[i-1] = new Option(i,i);
		}
	}
	
}

function getYear(mthIdx){
	var today = new Date()
	var theYear = parseInt(today.getYear(),10)
	
	if (mthIdx < today.getMonth()) {
		theYear = (parseInt(today.getYear(), 10) + 1)
	}
	if(theYear<100){
		theYear = "19" + theYear
	}
	else{
		if((theYear-100) < 10){
			theYear = "0" + (theYear-100)
		}
		else{
			theYear = (theYear-100)+""
		}
		theYear = "20" + theYear
	}
	return theYear;
}