// ----------------------------------------------------------------------------------------------------
// SPINDOWNS

// spindown functions
function spindown(e, caller) {
	if (!caller) caller = this;
	
	// get the bottom element
	var bd = caller.id + "_body";
	var b = getObject(bd);
	var slct = getTags(b,'select');
	
	// if we have both the top and bottom
	// set the appropriate styles
	if (b != null) {
		if (hasClass(caller, "spdn_open")) {
			// close it
			hide(bd)
			removeClass(caller, "spdn_open");
			addClass(caller, "spdn_closed");
			if (slct != null){
				for(var z=0; z < slct.length; z++){
					hide(slct[z]);
				}
			}		
		}
		else {
			// open it
			if (b.nodeName == "TR"){
				showRow(bd);
			}
			else{
				show(bd);
			}					
			removeClass(caller, "spdn_closed");
			addClass(caller, "spdn_open");		
			if (slct != null){
				for(var z=0; z < slct.length; z++){
					show(slct[z]);
				}
			}			
		}
	}	
}

function setSpindown(obj) {
	if (typeof(obj) == "string") obj = getObject(obj);

	if (obj.captureEvents)
		obj.captureEvents(Event.CLICK);
	
	obj.onclick = spindown;
}

// control all spindowns within a specified container
function spindownOnly(e, caller) {
	if (!caller) caller = this;
	
	var p = getParent(caller);
	var c = getChildren(p);
	var b = getObject(caller.id + '_body');
	
	if (b != null){
		if (hasClass(caller,'spdn_closed')){	
			for (i = 0; i < c.length; i++){				
				if (hasClass(c[i],'spdn_open')){
					hide(c[i].id + '_body');
					removeClass(c[i],'spdn_open');
					addClass(c[i],'spdn_closed');
				}				
			}
			show(b);
			removeClass(caller,'spdn_closed');
			addClass(caller,'spdn_open');
		}
		else{
			hide(b)
			removeClass(caller,'spdn_open');
			addClass(caller,'spdn_closed');
		}
	}			
}

// expand non-table spindown row elements
function expandAll(obj){
	if (typeof(obj) == 'string') obj = getObject(obj);		
	var lnk = getTags(obj, 'a');		
	for(var i=0; i < lnk.length; i++){
		var bd = lnk[i].id + '_body';			
		if (hasClass(lnk[i],'spdn_closed')){				
			show(bd);			
			setStyle(bd,'display','');
			setStyle(bd,'visibility','visible');			
			removeClass(lnk[i], 'spdn_closed');
			addClass(lnk[i], 'spdn_open');
		}
	}		
}

// expand spindown rows
function expandAllRows(obj){
	if (typeof(obj) == 'string') obj = getObject(obj);
	
	var tb = getTags(obj,'tbody');
	
	if (hasClass(tb[0],'scrollContent')){
		removeClass(tb[0],'scrollContent');		
		var lnk = getTags(obj, 'a');
		for(var i=0; i < lnk.length; i++){
			var bd = lnk[i].id + '_body';			
			if (hasClass(lnk[i],'spdn_closed')){				
				showRow(bd);	
				removeClass(lnk[i], 'spdn_closed');
				addClass(lnk[i], 'spdn_open');
			}
		}
		addClass(tb[0],'scrollContent');
	}	
	else{
		var lnk = getTags(obj, 'a');
		for(var i=0; i < lnk.length; i++){
			var bd = lnk[i].id + '_body';			
			if (hasClass(lnk[i],'spdn_closed')){				
				showRow(bd);	
				removeClass(lnk[i], 'spdn_closed');
				addClass(lnk[i], 'spdn_open');
			}
		}
	}
	
	// show any select tags -- they have to be manually hidden b/c they persist in IE
	var slct = getTags(obj,'select');
	if (slct != null){
		for(var z=0; z < slct.length; z++){
			show(slct[z]);
		}
	}
}

// collapse spindowns
function collapseAll(obj){
	if (typeof(obj) == 'string') obj = getObject(obj);		
	var lnk = getTags(obj, 'a');	
	
	for(var i=0; i < lnk.length; i++){
		var bd = lnk[i].id + '_body';			
		if (hasClass(lnk[i],'spdn_open')){				
			hide(bd);
			removeClass(lnk[i], 'spdn_open');
			addClass(lnk[i], 'spdn_closed');
		}
	}
	
	// hide any select tags -- they have to be manually hidden b/c they persist in IE
	var slct = getTags(obj,'select');
	if (slct != null){
		for(var z=0; z < slct.length; z++){
			hide(slct[z]);
		}
	}	
}

// ----------------------------------------------------------------------------------------------------
// TABSTRIP

function hideTabs(){
	// get all divs
	var alltabs = getTags(document,'div');
	
	for (var i = 0; i < alltabs.length; i++){
	
		// find all divs with the class "tabs"
		if (hasClass(alltabs[i],'tabs')){
		
			// get the child divs
			var c = getChildren(alltabs[i]);
			
			for (var h = 0; h < c.length; h++){
				if (hasClass(c[h],'tabcontent')){
					// hide all of them
					hide(c[h]);					
				}
				// but show the first one
				show(c[0]);	
			}
		}
	}
}

// show the tab you've clicked
function showTab(e, caller){
	if (!caller) caller = this;			
	
	var pt = getParent(caller);
	var dv = getChildren(pt);
	var lnk = getTags(pt,'a');
		
	for (var i = 0; i < dv.length; i++) {
		if (hasClass(dv[i],'tabcontent')){
			// make sure the divs not selected are hidden
			if (dv[i].id != caller.id + '_body') { hide(dv[i]); }
			
			// show the div you selected
			else { show(dv[i]); }
		}		
	}
	
	for (var h = 0; h < lnk.length; h++) {
		// turn off the anchor linking so that it doesn't interfere
		lnk[h].href = 'javascript://';
		
		if (lnk[h].id != caller.id) { 
			removeClass(lnk[h],'on');
		}
		else { addClass(lnk[h],'on'); }
	}
}

function setTabs(obj){
	if (typeof(obj) == "string") obj = getObject(obj);

	if (obj.captureEvents)
		obj.captureEvents(Event.CLICK);
	
	obj.onclick = showTab;
}

// ----------------------------------------------------------------------------------------------------
// XMLHttpRequest FUNCTIONS

var xmlhttp=false;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
xmlhttp = false;
}
}
@end @*/

if (!xmlhttp && typeof XMLHttpRequest != 'undefined') { xmlhttp = new XMLHttpRequest(); }

function getMyHTML(serverPage, objID, async) {
	if (async == undefined)
		async = true;
	var obj = document.getElementById(objID); 
	
	xmlhttp.open("GET", serverPage,async); 
	xmlhttp.onreadystatechange = function(){ 
		if (xmlhttp.readyState == 4){
			try {
				if(  xmlhttp.status == 200) { 
					obj.innerHTML = xmlhttp.responseText; 
				} 
			} catch(E){
			}
		}
	} 
	xmlhttp.send(""); 
} 

// swap content onchange using getMyHTML
// used briefly for AdoramaPix prototype -- not fully tested
function switchContent(obj){
	var d = document.forms[0].displaytype;
	var c = d.options[d.selectedIndex].value;
	if (c) getMyHTML(c,obj);
}

// ----------------------------------------------------------------------------------------------------
// POPUPS

// custom popup function - parameters passed in with link
function popup(alink, popup_width, popup_height, scrollbars, toolbars, resize){
	var url = alink.href;
	var name = alink.target;
	
	var popup_window = window.open(url,name,"toolbar="+toolbars+",directories="+toolbars+",status="+toolbars+",menubar="+toolbars+",location="+toolbars+",scrollbars="+scrollbars+",resizable="+resize+",width="+popup_width+",height="+popup_height);
	popup_window.focus();
}

// fixed popup function - parameters set in script which references popup()
function popupFixed(alink){
	var popup_window = popup(alink, 300, 200, 1, 0, 0); return false;
	popup_window.focus();			
}

// ----------------------------------------------------------------------------------------------------
// IFRAME FUNCTIONS

// get to the iframes
function updateFrame(obj,url){
	if (typeof(obj) == 'string') obj = getObject(obj);
	//if (obj) obj.location.href = url;	
	if (obj) obj.src = url;
}


// ----------------------------------------------------------------------------------------------------

// clears the default value in a text input or textarea
function clearDefaultNote(caller,note){
	if (!caller) caller = this;	
	
	if (caller.value == note){ 
		caller.value = '';
	}
}

function addDefaultNote(caller,note){
	if (!caller) caller = this;	
	
	if (caller.value == ''){
		caller.value = note;
	}
}

// scrambles email address 
function decode_email_address(prefix,use2) {
	if (use2 != true)
	  use2 = false;
	var encodedsuffix = "s@tiaevdsiroc.mo";
	var encodedsuffix2 = "m@acef.eocm"
	var suffix = "";
	var i = 0;
	while (i < encodedsuffix2.length) {
		suffix += encodedsuffix2.charAt(i+1);
		suffix += encodedsuffix2.charAt(i);
		i += 2;
	}
	if (prefix.indexOf(suffix)>=0){
	    location.replace("mailto:" + prefix);   
	} else {
	    if (use2)
	        encodedsuffix = encodedsuffix2
	    suffix = "";
	    i = 0;
	    while (i < encodedsuffix.length) {
	    	suffix += encodedsuffix.charAt(i+1);
	    	suffix += encodedsuffix.charAt(i);
	    	i += 2;
	    }
	    location.replace("mailto:" + prefix+suffix);
	}
}

// show feature content on mouseover
// used on the new download page for SiteAdvisor Plus

function setFeatureRows() {
	var c = getTags(document,'td');		
	for (var i = 0; i < c.length; i++) {		
		if (hasClass(c[i],'moreInfo')) {
			if (c[i].addEventListener) {
				c[i].addEventListener('mouseover',showFeature,false);	
				c[i].addEventListener('mouseout',hideFeature,false);						
			}
			else {
				c[i].onmouseover = showFeature;
				c[i].onmouseout = hideFeature;
			}	
		}
	}
}

function showFeature(e,caller) {
	if (!caller) caller = this;		
	var row = getParent(caller);
	var tbody = getParent(row);
	var allRows = getChildren(tbody);
	var nextRow = row.rowIndex;		
	hideFeature();				
	addClass(row,'selectedFeature');
	addClass(allRows[nextRow],'selectedFeature');
}

function hideFeature() {				
	var tr = getTags(document,'tr');		
	for (var i = 0; i < tr.length; i++) {
		if (hasClass(tr[i],'selectedFeature')) {
			removeClass(tr[i],'selectedFeature');
		}
	}
}