function popwindow(pagename) {
    window.open(pagename,'','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=775,height=480,top=0,left=0');
}

function popup() {

alert('Please enter a valid Client Name & Password');
document.broadviewmedialogin.ClientName.focus();
return;

}

function epopwindow(pagename) {
    window.open(pagename,'','toolbar=yes,location=yes,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=no,height=505,width=660,top=5,left=5');
}

function viewportfolio(pagename) {
    window.open(pagename,'','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=600,height=425,top=0,left=0');
}