function StrLen(sString){
	var sStr,iCount,i,strTemp ; 
	iCount = 0 ;
	sStr = sString.split("");
	for (i = 0 ; i < sStr.length ; i ++){
		strTemp = escape(sStr[i]); 
		if (strTemp.indexOf("%u",0) == -1){  // ±íʾÊǺº×Ö
		iCount = iCount + 1 ;
		}else{
		iCount = iCount + 2 ;
		}
	}
	return iCount ;
}
function isregcheck(){
	var frm = document.join;
	
		if(StrLen(frm.firstname.value)<1){
		alert("You must include your first name!"); frm.firstname.focus(); return false;
	}
		if(StrLen(frm.lastname.value)<1){
		alert("You must include your last name!"); frm.lastname.focus(); return false;
	}


	 var testresults
     var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
    if (filter.test(frm.email.value))
     testresults=true
    else{
             alert("Wrong Email Format, Please Try Again!"); 
             frm.email.focus();
             return false;
     } 
	 
	if((frm.email.value)!=(frm.email2.value)){
		alert("Different Email Address! Please Try Again."); frm.email.focus();return false;
	}
	 	
	if(StrLen(frm.loginid.value)<1){
		alert("You must include your Login ID!"); frm.loginid.focus();return false;
	}

	if(StrLen(frm.password.value)<4){
		alert("You must include your password!"); frm.password.focus();return false;
	}
		
	



}