function fnValidate()
{
        if(document.forms[0].Name.value=="")
	{
	    alert("Please Enter Your Name");
	  document.forms[0].Name.focus();
	  return false;
	}
	if(document.forms[0].Subject.value=="")
	{
	   alert("Please Enter Subject");
	  document.forms[0].Subject.focus();
	  return false;
	}
	if(document.forms[0].email.value=="")
	{
	    alert("Enter Email Address");
	  document.forms[0].email.focus();
	  return false;
	}
	 if(!checkEmail(document.forms[0].email))
  	{
		document.forms[0].email.focus();
    	return false;
   	}
    if(document.forms[0].Message.value=="")
	{
	    alert("Please Enter Message");
	  document.forms[0].Message.focus();
	  return false;
	}
	else
	{
	  return true;
	}
  }
function checkEmail(sttr)
{
	stttr=sttr.value;
	if(stttr.indexOf("@")==-1)
	{
   		alert("Invalid email id");
   		return false;
	} 
	else
	{
	   	if(stttr.indexOf(".")==-1)
      	{
        	alert("Invalid Email id");
         	return false;
      	}
      	else
      	{
        if(stttr.lastIndexOf(".")<stttr.lastIndexOf("@"))
        {
        	alert("invalid email id");
            return false;
        }
    }
}
    return true;
}