// JScript File

 function fnTermcondpopup() {
            $heightValue = 500; $widthValue = 700;
            $leftValue = (screen.width - $widthValue) / 2;
            $topValue = 40; //(screen.height - $heightValue) / 2;
            window.open("TermsAndConditions.aspx", "Terms And Conditions",
               "scrollbars=yes,resizable=no,width=" + $widthValue + ",height=" + $heightValue + ",left=" + $leftValue + ",top=" + $topValue);
        }