var triggerCache = null;
var copyDivCache = null;
var imgDivCache = null;

function hideDivs()
{
	for(i=0;i<copyDivCache.length;i++)
	{
		copyDivCache[i].style.visibility='hidden';
	}
	
	for(i=0;i<imgDivCache.length;i++)
	{
		imgDivCache[i].style.visibility='hidden';
	}
}

function toggleDivs(e)
{
	var eventObject = getClickedObject(this);
	
	hideDivs();

	triggerId = eventObject.id;
	copyTargetId = 'copy_'+triggerId.substring(13, triggerId.length);	    
	imgTargetId = 'img_'+triggerId.substring(13, triggerId.length);	    	    
	copyDiv = getElementById(copyTargetId);
	imgDiv = getElementById(imgTargetId);    	

	if (copyDiv.style.visibility=='hidden')
	{
		copyDiv.style.visibility='visible';
		imgDiv.style.visibility='visible';    		
	}
	else
	{
		copyDiv.style.visibility='hidden';
		imgDiv.style.visibility='hidden';    		
	}
}

function initRollovers()
{
	triggerCache = new Array();
	mainNavCache = new Array();		
	allAArr = document.getElementsByTagName('A');
	for(i=0;i<allAArr.length;i++)
	{
		currId = allAArr[i].id;
		if (currId.substring(0,13) == "trigger_roll_")
		{
			triggerCache.push(allAArr[i]);
			addEvent(allAArr[i], 'click', toggleDivs, false);
		}
	}
	
	copyDivCache = new Array();
	imgDivCache = new Array();
	allDivArr = document.getElementsByTagName('DIV');
	for(i=0;i<allDivArr.length;i++)
	{
		currId = allDivArr[i].id;
		if (currId.substring(0,5) == "copy_")
		{
			copyDivCache.push(allDivArr[i]);
		}
		else if (currId.substring(0,4) == "img_")
		{
			imgDivCache.push(allDivArr[i]);
		}		
	}    		
}
//addLoadEvent(initRollovers);