var browserName=navigator.appName; 

function body_top(){
	if (document.documentElement && document.documentElement.scrollTop)
		return document.documentElement.scrollTop;
	else if (document.body)
		return document.body.scrollTop	
}

function trans_bg(show){
	if(show){
		
	var h = screen.height;
	
		document.getElementById('trans_bg').style.top = body_top() + "px";
		document.getElementById('trans_bg').style.height = h + "px";
		document.getElementById('trans_bg').style.display = 'block';
		
	//var t=setTimeout("alert('5 seconds!')",5000);//setTimeout(get_center(),400);
	//var t = setInterval("get_center()",500);
	}else document.getElementById('trans_bg').style.display = 'none';
}

var FloatingId = '';
var FloatingW = '';

function ShowFloatingDiv(objId, w, show){
		FloatingId = objId;
		FloatingW = w;
		document.getElementById(objId).style.left = (screen.width-w)/2 + "px";
		document.getElementById(objId).style.top = 5  + body_top() +"px";
		if(show)	document.getElementById(objId).style.display = 'block';
			else{
					document.getElementById(objId).style.display = 'none';
			}
		trans_bg(show);
}

var ie=document.all
var ieNOTopera=document.all&&navigator.userAgent.indexOf("Opera")==-1
var BodyPos = new Object;

function BODYposition(){
		var dsocleft=ie? document.body.scrollLeft : pageXOffset
		var dsoctop=ie? document.body.scrollTop : pageYOffset
		var window_width=ieNOTopera? document.body.clientWidth : window.innerWidth-20
		var window_height=ieNOTopera? document.body.clientHeight : window.innerHeight
		
		BodyPos.left = dsocleft;
		BodyPos.top = dsoctop;
}

function get_center(){
	/*
	if(document.getElementById('trans_bg'))
	if($('trans_bg').style.display == 'block'){
		//howFloatingDiv(FloatingId, FloatingW, 1);
		trans_bg(1);
	}
	*/
}