function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	
		el.style.display = 'block';
		var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (ieversion>=8 || ieversion>=7)
		{}
		else if (ieversion>=6  || ieversion>=5)
		{
			var arr=document.getElementsByTagName('select');
			var i=0;
			while(i<arr.length)
			{
				arr[i].style.display="none";
			}
		}
	}
	else {
		el.style.display = 'none';
		var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (ieversion>=8 || ieversion>=7)
		{}
		else if (ieversion>=6  || ieversion>=5)
		{
			var arr=document.getElementsByTagName('select');
			var i=0;
			while(i<arr.length)
			{
				arr[i].style.display="";
			}
		}
	}
	//alert(el.style.top+":"+el.style.left);
}
function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-150;
	popUpDiv.style.top = popUpDiv_height + 'px';
}
function window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-150;
}
function popup(windowname) {
	blanket_size(windowname);
	//window_pos(windowname);
	setcenterdiv(500,400,windowname)
	toggle('blanket');
	toggle(windowname);		
}// JavaScript Document
function setcenterdiv(Xwidth,Yheight,divid) {
		// First, determine how much the visitor has scrolled
		
		var scrolledX, scrolledY;
		if( self.pageYoffset ) {
		scrolledX = self.pageXoffset;
		scrolledY = self.pageYoffset;
		} else if( document.documentElement && document.documentElement.scrollTop ) {
		scrolledX = document.documentElement.scrollLeft;
		scrolledY = document.documentElement.scrollTop;
		} else if( document.body ) {
		scrolledX = document.body.scrollLeft;
		scrolledY = document.body.scrollTop;
		}
		var centerX, centerY;
		if( self.innerHeight ) {
		centerX = self.innerWidth;
		centerY = self.innerHeight;
		} else if( document.documentElement && document.documentElement.clientHeight ) {
		centerX = document.documentElement.clientWidth;
		centerY = document.documentElement.clientHeight;
		} else if( document.body ) {
		centerX = document.body.clientWidth;
		centerY = document.body.clientHeight;
		}
		var leftoffset = scrolledX + (centerX - Xwidth) / 2;
		var topoffset = scrolledY + (centerY - Yheight) / 2;
		var o=document.getElementById(divid);
		var r=o.style;
		r.top = topoffset + 'px';
		r.left = leftoffset + 'px';
		}