var theDoc=document, 
theAll=(theDoc.all)?theDoc.all:null;

function ShowHideLayer(name, state) {
	if (theAll==null) return;
	if (arguments.length<2) state=theAll[name].style.display=="none";
	theAll[name].style.display=(state)?"block":"none";
}





function popup(url) {
		dy = 45;
		screenWidth =  460;
		screenHeight = 320;

    	       dx = 0 ;dy = 0;
       var Win = window.open(url,"displayWindow",'width='+screenWidth+',height='+(screenHeight+5)+',resizable=0,scrollbars=no,menubar=no,left='+dx+',top='+dy );
Win.focus();

}