var used='';

function IsEmail(str){
    var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)")
    var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,6}|[0-9]{1,3})(\\]?)$")
    return (!r1.test(str) && r2.test(str))
}


function openPrintWindow(url){
   var z = window.open(url,"","fullscreen,top=50,left=50,width=900,height=700,toolbar=no,scrollbars=yes,menubar=no,history=no,resizable=yes");
   z.focus();
}