// JavaScript
IE5=NN4=NN6=false
if(document.all)IE5=true
else if(document.layers)NN4=true
else if(document.getElementById)NN6=true

function showHide(which)
{
		if(NN4) 
		{
			eval("document."+which+".display=(document."+which+".display=='block')?'block':'none'");
		}
		if(IE5) 
		{
			eval("document.all."+which+".style.display=(document.all."+which+".style.display=='block')?'block':'none'");
		}
		if(NN6) 
		{
			eval("document.getElementById(which).style.display=(document.getElementById(which).style.display=='none')?'block':'none'");
		}
}

function showHideAll(numDivs)
{
  //i=1, so we don't also collapse the root folder
	for(i=1;i<numDivs;i++) 
	{
    var folderName = "folder" + i;
		showHide(folderName);
	}	
}

function show(which)
{
		if(NN4) 
		{
			eval("document."+which+".display='block'");
		}
		if(IE5) 
		{
			eval("document.all."+which+".style.display='block'");
		}
		if(NN6) 
		{
			eval("document.getElementById(which).style.display='block'");
		}
}

function hide(which)
{
		if(NN4) 
		{
			eval("document."+which+".display='none'");
		}
		if(IE5) 
		{
			eval("document.all."+which+".style.display='none'");
		}
		if(NN6) 
		{
			eval("document.getElementById(which).style.display='none'");
		}
}

function showAll(numDivs)
{
  //i=1, so we don't also collapse the root folder
	for(i=1;i<numDivs;i++) 
	{
    var folderName = "folder" + i;
		show(folderName);
	}	
}

function hideAll(numDivs)
{
  //i=1, so we don't also collapse the root folder
	for(i=1;i<numDivs;i++) 
	{
    var folderName = "folder" + i;
		hide(folderName);
	}	
}