var ie=0
if(document.all){
	ie = 1
}
var fade
var t
var co
var pop1

function popLayer(){
	popLayerForElem('wirelessAlign');	
	// Code added for hiding the first row of sort and no. of results dropdown behind overlay for TD#24930.
	var sortDropDowns = document.getElementsByTagName('select');
	var isSort = false;
	var isNum = false;
	for (var i=0; i<sortDropDowns.length; i++) 
	{
		if(sortDropDowns[i].name == 's' && !isSort)
		{
			sortDropDowns[i].style.visibility = "hidden";
			isSort = true;
		}
		if(sortDropDowns[i].name == 'numResultsPerPage' && !isNum)
		{
			sortDropDowns[i].style.visibility = "hidden";
			isNum = true;
		}
	}
}

function popLayerForElem(elementId){
	
	var height = document.getElementById(elementId).offsetHeight
	fade = document.getElementById('fadeScreen')
	pop1 = document.getElementById('popHolder')
	

	if(ie){
		document.getElementById('ieMinHeight').style.height = height + 'px'
	}else{
		fade.style.minHeight = height + 'px'
	}
	
	fade.style.display = 'block'
	pop1.style.display = 'block'
		
	clearInterval(t)
	t = setInterval('fadeOut()',40)
}

function closePop(){
	clearInterval(t)
	t = setInterval('fadeIn()',20)
}
	
function fadeIn(){
	if(ie){
		co = parseFloat(fade.filters.Alpha.Opacity)
		if(co > 0){
			fade.filters.Alpha.Opacity = co - 5
			pop1.filters.Alpha.Opacity = (co - 5)*4
		}else{
			fade.style.display = 'none'
			pop1.style.display = 'none'
			clearInterval(t)
		}
	}else{
		co = parseFloat(fade.style.opacity)
		if(co > 0){
			fade.style.opacity= (co - .05)
			pop1.style.opacity= (co - .05)*4
			
		}else{
			fade.style.display = 'none'
			pop1.style.display = 'none'
			clearInterval(t)
		}
	}
}

function fadeOut(){
	if(ie){
		co = fade.filters.Alpha.Opacity
		if(co < 50){
			fade.filters.Alpha.Opacity = co + 5
			pop1.filters.Alpha.Opacity = (co + 5)*2
		}else{
			clearInterval(t)
		}
	}else{
		co = parseFloat(fade.style.opacity)
		if(co < .5){
			fade.style.opacity= (co + .05)
			pop1.style.opacity= (co + .05)*2
		}else{
			clearInterval(t)
		}
	}
}