function adalert(bgcolor, textcolor, imageurl) {
    if (!bgcolor) bgcolor = "";
    if (!imageurl) imageurl = "";
    if (!textcolor) textcolor = "";
    var cPopUrl = "http://www.hersheys.com/legal/ad-alert/ad-alert.asp?b=" + bgcolor + "&i=" + imageurl + "&t=" + textcolor;
	var iPopWidth = 350;
	var iPopHeight = 180;
	var iPopLeft, iPopTop;
    var oPopWindow = null;
	if (!oPopWindow || oPopWindow.closed){
		iPopLeft = (window.screen.width/2) - ((iPopWidth/2) + 10);
		iPopTop = (window.screen.height/2) - ((iPopHeight/2) + 50);
		oPopWindow=open(cPopUrl, "hersheysadalert","height="+ iPopHeight +",width="+ iPopWidth +",left=" + iPopLeft + ",top=" + iPopTop + ",screenX=" + iPopLeft + ",screenY=" + iPopTop + ",scrollbars=no, status=yes");
		oPopWindow.location.href = cPopUrl;
		oPopWindow.focus()
    } else {
    	oPopWindow.focus()
	}
}