function formSubmitOnce(f,formCorrect,period) { if (formCorrect===false) return false if (period<1) period=5 if (!f.SubmittedFormID) f.SubmittedFormID=Math.round(Math.random()*1000000) var a='Submitted'+f.SubmittedFormID if (document[a]) { alert('Form is already submitted. If you are still on this page, wait about '+period+' sec and try again.') return false } document[a]=1 setTimeout('document["'+a+'"]=0',period*1000) return true } function checkEmail(str) { var l=str.length if (!l) return false var ata=0 var point=0 var cch='' for (var i=0; i'Z') && (ch<'a' || ch>'z') && (ch<'0' || ch>'9') && (ch!='_') && (ch!='-')) return false cch=ch } return (ata && point) } function tr(obj){ s=obj.value; re=/^\s+/; s=s.replace(re, ''); re=/\s+$/; s=s.replace(re, ''); obj.value=s; return s; } function ve(e){ ind=e.indexOf('\@');return (ind>0 && ind= 4 ) { X=(screen.width - width )/2; Y=(screen.height - height)/2-40; } var extra='width='+width+',height='+height+',top='+Y+',left='+X+',resizable=1,scrollbars=1,location=no,directories=no,status=no,menubar=no,toolbar=no'; window.open(url,name,extra); } function nWin(theURL,winName,width,height,features,br) { var window_width = width+30; var window_height = height+20; var newfeatures= features; var window_top = (screen.height-window_height)/2; var window_left = (screen.width-window_width)/2; str='width=' + window_width + ',height=' + window_height + ',top=' + window_top + ',left=' + window_left + ',' + newfeatures + ''; newWindow=window.open('','',str); newWindow.document.open(); str="" + winName + ""+(br>0?"
":"")+''+""; newWindow.document.write(str); newWindow.document.close(); }