// JavaScript Document
function checkmail(email){
if (email=="" )
return false;
	invalidChars = " /:"
	if (email == "") {
		return (false);
	}
	for (i=0; i < invalidChars.length; i++) {
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) != -1) {
			return (false);
		}
	}
	atPos = email.indexOf("@", 1)
	if (atPos == -1) {
		return (false);
	}
	//if (email.indexOf("@", atPos + 1) != -1) {
	//	return (false);
	//}
	periodPos = email.indexOf(".", atPos)
	if (periodPos == -1) {
		return (false);
	}
	if (periodPos + 3 > email.length) {
		return (false);
	}
	return (true);
}


function checkform()
{
 if(document.orderForm.Pro_Name.value==""){
 alert("Please fill out the product name!");
 document.orderForm.Pro_Name.focus();
 return false;
 }
  if(document.orderForm.Tel.value==""){
 alert("Please fill out your telephone number!");
 document.orderForm.Tel.focus();
 return false;
 }
  if(document.orderForm.Email.value==""){
 alert("Please fill out your E-Mail Adress!");
 document.orderForm.Email.focus();
 return false;
 }
 if (!checkmail(document.orderForm.Email.value))
	{alert("Please enter a valid E-Mail Adress!");
	 document.orderForm.Email.focus();
	 return false;
	}
 return true;
}