function jump(){
jform = document.ituc;
jurl = jform.sel_url.options[jform.sel_url.selectedIndex].value;

 if (jurl!=0){
 document.location.href=jurl; 
 }else{
 alert("Please choose one series product!");
 jform.sel_url.focus();
 }
}
function isEmail(vEMail)
	{
		var regInvalid=/(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;
		var regValid=/^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
		return (!regInvalid.test(vEMail)&&regValid.test(vEMail));
	}
	function check()
	{
		if(!(isEmail(document.submitform.femail.value )))
		{
			alert("Please Input Your Corect E-mail Address!");
			return false;
		}
		else
		{
			document.submitform.tHtml.value=document.submitform.innerHTML; 
			document.submitform.submit();
		}
	}