var submitting = false;

function SubmitEmailSeller()
{
	if(!submitting)
	{
		submitting = true;
		
		if(ValidateEmailSeller())
		{
			document.emailSellerForm.submit();
		}
		else
		{
			submitting = false;
		}
	}
}

function ValidateEmailSeller()
{
	var sError;
	sError = "";
	
	if(document.emailSellerForm.senderName.value==null||document.emailSellerForm.senderName.value.length==0)
	{
		sError += "Please enter your name\n";
	}
	
	if(document.emailSellerForm.senderEmail.value==null||document.emailSellerForm.senderEmail.value.length==0 || !echeck(document.emailSellerForm.senderEmail.value))
	{
		if(document.emailSellerForm.senderContact.value==null||document.emailSellerForm.senderContact.value.length==0)
		{
	  		sError += "Please enter either a contact email address or contact number\n";
	  	}
	}
	
	if(sError.length==0)
	{
	  	return true;
	}
	else
	{
	  	alert(sError);
	  	return false;
	}
}