function checkLength(con)

{
if(con.value.length >= 300)

{
return false;

}

else

{
document.getElementById('lblChars').innerHTML = (299 - con.value.length);return true;

}

}
function setRemaining()

{

document.getElementById('lblChars').innerHTML = (300 - document.getElementById('txtMessage').value.length);
if (document.getElementById('txtMessage').value.length > 300)

{
document.getElementById('txtMessage').value = document.getElementById('txtMessage').value.substring(0,300);

}

}


function validate()
{
if (document.getElementById("txtName").value=="")
{
alert("Enter Name");
document.getElementById("txtName").focus();
return false;
}



var namePat = /^[a-zA-Z]+$/;
var name=document.getElementById("txtName").value;
var matchArray = name.match(namePat);
if (matchArray == null)
{
alert("Enter Valid Name");
document.getElementById("txtName").focus();
return false;
}
if(document.getElementById("txtEmail").value=="")
{
alert("Enter Email ID");
document.getElementById("txtEmail").focus();
return false;
}
var emailPat = /^(\".*\"|[A-Za-z]\w*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/;
var emailid=document.getElementById("txtEmail").value;
var matchArray = emailid.match(emailPat);
if (matchArray == null)
{
alert("Enter Valid Email ID");
document.getElementById("txtEmail").focus();
return false;
}
if (document.getElementById("txtSubject").value=="")
{
alert("Enter Subject");
document.getElementById("txtSubject").focus();
return false;
}
if (document.getElementById("txtMessage").value=="")
{
alert("Enter Message");
document.getElementById("txtMessage").focus();
return false;
}
if (document.getElementById("txtCode").value=="")
{
alert("Enter Graphic Verification Code");
document.getElementById("txtCode").focus();
return false;
}
return true;
}