function toggle(div_id) {
	var el = document.getElementById(div_id);

	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
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;
//alert(document.body.scrollHeight+" & "+document.body.parentNode.scrollHeight);
            		
			//blanket_height = document.body.scrollHeight;	
		} 
	
	}	

	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	blanket.style.width = screen.width-21+'px';
//	var popUpDiv = document.getElementById(popUpDivVar);
//	popUpDiv_height=blanket_height/2-150;//150 is half popup's height
//	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+500;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth+300;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=(window_width/2)-(popUpDiv.style.width.substring(0,3)/2);//150 is half popup's width
	popUpDiv.style.clear='left';
	popUpDiv.style.marginLeft = window_width + 'px';
	//popUpDiv.style.top='300px';
}
function popup(windowname)  
{
               blanket_size(windowname);
               window_pos(windowname);
	           toggle('blanket');
	           toggle(windowname);   

}



 function JSFX_FloatTopLeft(divid)
{  
	var startX = 10, startY = 100;
	 
	var ns = (navigator.appName.indexOf("Netscape") != -1);
	var d = document;
	var px = document.layers ? "" : "px";
	function ml(id)
	{
		var el=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];
		if(d.layers)el.style=el;
		el.sP=function(x,y){this.style.left=x+px;this.style.top=y+px;};
		el.x = startX; el.y = startY;
		
		return el;
		
	}
	window.stayTopLeft=function()
	{
		var pY = ns ? pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;
		ftlObj.y += (pY + startY - ftlObj.y)/8;
		ftlObj.sP(ftlObj.x, ftlObj.y);
		setTimeout("stayTopLeft()", 40);
	}
	ftlObj = ml(divid);
	stayTopLeft();
}