function valid_required(field)
{
	if(field=="") 
	{
	return false;
	}

	return true;
}

function EmailValid(Email)
	{
		if(Email=="")
		{
		alert("Please enter your email address")
		return false
		}
		/*len = email.length
		
		if((email.charAt(1)=='@')||(email.charAt(1)=='.'))
		{
		alert("Invalid Email, please try again!")
		return false
		}
		if((email.charAt(len-2)=='@')||(email.charAt(len-2)=='.'))
		{
		alert("Invalid Email, please try again!")
		return false
		}
		
				

		count=0
		dotcount=0
	for (i=0; i< email.length; i++)
		{
			if(email.charAt(i)=='@')
			count++
			if(email.charAt(i)=='.')
			dotcount++
		 }
		
			 if((count !=1)||(dotcount !=1))
			 	{
			 	alert("Invalid Email, please try again!")
			 	return false
			 	} */
		
		
	return true 
	}

function valForm()
{		  
		if(!valid_required(document.myform.Name.value))
		{
		alert("Please fill in your name.")
		
				return false
		}
		
		if(!EmailValid(document.myform.Email.value))
		{
		return false
		}
		
		if(!valid_required(document.myform.Subject.value))
		{
		alert("Please fill in a subject for your feedback.")
		
				return false
		}	
		
		if(!valid_required(document.myform.Feedback.value))
		{
		alert("Please fill in your feedback.")
		
				return false
		}
	return true
}