function mailvalid_contact()
 {
 if(document.contact.textfield.value == "Name:" || document.contact.textfield.value == "")
   {
     alert(" Please Enter Name");
     document.contact.textfield.focus();
     return false
   }
   if(document.contact.textfield1.value == "Phone:" || document.contact.textfield1.value == "")
   {
     alert(" Please Enter phone");
     document.contact.textfield1.focus();
     return false
   }
  
   
    if(document.contact.textfield2.value == "Email:" || document.contact.textfield2.value == "")
	{
		alert("Please Enter E-Mail-Adresse.");
		document.contact.textfield2.focus();
		return false;
	}
	
	if(document.contact.textfield2.value != "" || document.contact.textfield2.value == "")
	{
		if(ValidEmail(document.contact.textfield2.value) == false)
		{
			alert("Please Enter Valid E-Mail-Adresse.");
			document.contact.textfield2.focus();
			return false;
		}
	}	
   if(document.contact.textfield3.value == "Website:" || document.contact.textfield3.value == "")
   {
     alert(" Please Enter Website");
     document.contact.textfield3.focus();
     return false
   }
   
  /* if(document.contact.cmbcountry.value == "United States of America" || document.contact.cmbcountry.value == "") 
   {
     alert("Please Select Country")
     document.contact.cmbcountry.focus();
     return false
   }*/
     if(document.contact.textarea1.value == "Comments:" || document.contact.textarea1.value == "")
   {
     alert("Please Enter Comments")
     document.contact.textarea1.focus();
     return false
   }
    if(document.contact.security_code.value == "")
   {
     alert("Please Enter security code")
     document.contact.security_code.focus();
     return false
   }
  
   
	 function ValidEmail(email)
	 {
		var RegExp = /^((([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+(\.([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+)*)@((((([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.))*([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.)[\w]{2,4}|(((([0-9]){1,3}\.){3}([0-9]){1,3}))|(\[((([0-9]){1,3}\.){3}([0-9]){1,3})\])))$/
		if(RegExp.test(email))
		{
			return true;
		}
		else
		{
			return false;
		}
	   
	  }
	
}
// Conatct Form Validation