function validEmail(email) 
	{
			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 validate()
{
	

	if(document.cform.txtName.value.length==0)
	{
	alert("You must enter Name");
	cform.txtName.focus();
	return false; 
	}
	
	if (document.cform.txtFrom.value == "") 
	{
	 alert("Please enter your Email address");
	 document.cform.txtFrom.focus(); 
	 return false;
	} 
	if (!validEmail(cform.txtFrom.value))
	 {
		alert("Invalid email address")
		cform.txtFrom.focus()
		return false;
	 }
	 if (document.cform.txtPhone.value == "" )
	{
			alert("Subject should not be Empty !")
			document.cform.txtPhone.focus();
			return false;
	}
 	if (document.cform.txtDetails.value == "" )
	{
		alert("Details should not be Empty !")
		document.cform.txtDetails.focus();
		return false;
	}
	return true;


}