Please Check this i hope i will run in all browser
function openPopUpWindow(format)
{
var win = window.open('ReportView.aspx?format='+format,'ReportViwer','width=920px,height=720px,left=50px,top=20px,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=1,maximize:yes,scrollbars=0');
if(win == null || typeof(win) == "undefined" || (win==null && win.outerWidth == 0) || (win!=null && win.outerHeight == 0) || win.test == "undefined")
{
alert("The popup was blocked. You must allow popups to use this site.");
}
else if(win) {
win.onload = function() {
if (win.screenX === 0) {
alert("The popup was blocked. You must allow popups to use this site.");
win.close();
}
};
}
}