var PreventExitPop = false;

function bypass() {
	PreventExitPop = true;
}

function ExitPop() {
	if(PreventExitPop == false && window.top == window)	{
		PreventExitPop=true;
		document.getElementById("div_coremain").style.display='none';
		
		document.getElementById("frame_exit").style.height = myHeight+"px";
		document.getElementById("div_exit").style.width = myWidth+"px";
		document.getElementById("div_exit").style.height = myHeight+"px";
		document.getElementById("div_exit").style.display='inline';
		scroll(0, 0);
		document.body.style.overflow = "hidden";
		return exitpoptext;
	}
}
window.onbeforeunload = ExitPop;