<!--
String.prototype.TxtTrim = function()
{
	return this.replace(/(^\s*)|(\s*$)/g, "");
}


function submitform()
{

	if(!isEmail(document.loginform.loginname.value))
	{	
		alert("Use your email as your ID please");
		document.loginform.loginname.focus();
		return false;
	}
	
	
	if(isEmpty(document.loginform.password.value))
	{	
		alert("Password can not be left blank");
		document.loginform.password.focus();
		return false;
	}
	
	if(document.loginform.password.value.length<6 || document.loginform.password.value.length>20)
	{	
		alert("Password should contain 6-20 digits or letters.");
		document.loginform.password.focus();
		return false;
	}
	
	if(document.loginform.password.value!=document.loginform.rePassword.value)
	{	
		alert("Retype Your Password");
		document.loginform.rePassword.focus();
		return false;
	}

	if(isEmpty(document.loginform.familyname.value))
	{	
		alert("Surname can not be left blank.");
		document.loginform.familyname.focus();
		return false;
	}
	
	if(isEmpty(document.loginform.firstname.value))
	{	
		alert("Given name can not be left blank.");
		document.loginform.firstname.focus();
		return false;
	}
	
	
	if(isEmpty(document.loginform.title.value))
	{	
		alert("Occupation can not be left blank.");
		document.loginform.title.focus();
		return false;
	}
	
	if(document.loginform.country.value=="")
	{
		alert("Please Select The Country or Region Please.");
		document.loginform.country.focus();
		return false;
		
	}

	
	
	//if(isEmpty(document.loginform.affiliation.value))
	//{	
	//	alert("Affiliation can not be left blank.");
	//	document.loginform.affiliation.focus();
	//	return false;
//	}
	

	//if(document.loginform.postalCode.value=="")
	//{
	//	alert("Postcode can not be left blank.");
	//	document.loginform.postalCode.focus();
	//	return false;
		
	//}
	
	if(document.loginform.address.value=="")
	{
		alert("Mailing address name can not be left blank.");
		document.loginform.address.focus();
		return false;
		
	}



	if(isEmpty(document.loginform.oTel.value))
	{	
		alert("Work phone can not be left blank.");
		document.loginform.oTel.focus();
		return false;
	}

	if(isEmpty(document.loginform.mobile.value))
	{	
		alert("Cellular Phone address can not be left blank.");
		document.loginform.mobile.focus();
		return false;
	}
	

	if(!isEmpty(document.loginform.Email.value))
	{
		if(!isEmail(document.loginform.Email.value))
		{	
			alert("Incorrect Email Format");
			document.loginform.Email.focus();
			return false;
		}
	}
	
return true;

}


function checkDuplicateUser()
{
	if(!isRegisterUserName(document.loginform.UserName.value))
	{	
		alert("未输入用户名或输入的用户名不符合要求，请按要求输入");
		document.loginform.UserName.focus();
		return false;
	}
	
	document.loginform.target="_blank";
	document.loginform.action="checkDuplicateUser.asp";
	document.loginform.submit();

}


function submitform_modify()
{

		if(isEmpty(document.loginform.familyname.value))
	{	
		alert("Surname can not be left blank.");
		document.loginform.familyname.focus();
		return false;
	}
	
	if(isEmpty(document.loginform.firstname.value))
	{	
		alert("Given name can not be left blank.");
		document.loginform.firstname.focus();
		return false;
	}
	
	
	if(isEmpty(document.loginform.title.value))
	{	
		alert("Occupation can not be left blank.");
		document.loginform.title.focus();
		return false;
	}
	
	if(document.loginform.country.value=="")
	{
		alert("Country or Region can not be left blank.");
		document.loginform.country.focus();
		return false;
		
	}

	
	
	//if(isEmpty(document.loginform.affiliation.value))
	//{	
	//	alert("Affiliation can not be left blank.");
	//	document.loginform.affiliation.focus();
	//	return false;
	//}
	

	if(document.loginform.postalCode.value=="")
	{
		alert("postcode can not be left blank.");
		document.loginform.postalCode.focus();
		return false;
		
	}
	
	if(document.loginform.address.value=="")
	{
		alert("Mailing address name can not be left blank.");
		document.loginform.address.focus();
		return false;
		
	}



	if(isEmpty(document.loginform.oTel.value))
	{	
		alert("Work phone can not be left blank.");
		document.loginform.oTel.focus();
		return false;
	}

	if(isEmpty(document.loginform.mobile.value))
	{	
		alert("Cellular Phone address can not be left blank.");
		document.loginform.mobile.focus();
		return false;
	}
	

	if(!isEmpty(document.loginform.Email.value))
	{
		if(!isEmail(document.loginform.Email.value))
		{	
			alert("Incorrect Email Format");
			document.loginform.Email.focus();
			return false;
		}
	}
	
	

return true;

}




function submitform_paper()
{

	if(isEmpty(document.form1.titleOfPaper.value))
	{	
		alert("Title of paper can not be left blank.");
		document.form1.titleOfPaper.focus();
		return false;
	}
	
	if(document.form1.authorType.value=="")
	{	
		alert("Authorship Type can not be left blank.");
		document.form1.authorType.focus();
		return false;
	}
	
	if(document.form1.category.value=="")
	{	
		alert("Category can not be left blank.");
		document.form1.category.focus();
		return false;
	}
	
	if(isEmpty(document.form1.paperAbstract.value))
	{	
		alert("Abstract can not be left blank.");
		document.form1.paperAbstract.focus();
		return false;
	}
	
	//if(document.form1.paperAbstract.value.TxtTrim().length>350||document.form1.paperAbstract.value.TxtTrim().length<250)
	//{	
		//alert("论文摘要在300字左右");
		//document.form1.paperAbstract.focus();
		//return false;
	//}
	
	if(isEmpty(document.form1.keywords.value))
	{	
		alert("Keywords can not be left blank.");
		document.form1.keywords.focus();
		return false;
	}
	
	if(document.form1.uploadFile.value.TxtTrim().length<1)
	{	
		alert("Please Upload Your File.");
		document.form1.uploadFile.focus();
		return false;
	}
	
	
return true;

}


function change_paper()
{
	
	if(document.form1.uploadFile.value.TxtTrim().length<1)
	{	
		alert("Please Upload Your File.");
		document.form1.uploadFile.focus();
		return false;
	}
	
	if(document.form1.uploadFile.value.indexOf("“")>-1||document.form1.uploadFile.value.indexOf("”")>-1)
	{	
		alert("Illegal File Name");
		document.form1.uploadFile.focus();
		return false;
	}
	
	
return true;

}

//-->