//alert('it is' + IsPopupBlocker());
if (IsPopupBlocker())
 {
   alert('You should Temporarily Disable your Popup Blocker to Properly View these pages')
}
function IsPopupBlocker() {
	var oWin = window.open("","testpopupblocker","width=100,height=50,top=5000,left=5000");
	if (oWin==null || typeof(oWin)=="undefined") {
		return true;
	} else {
		oWin.close();
		return false;
	}
}