// JScript File
function CheckKey()
{
    if(document.getElementById("ctl00_ContentPlaceHolder1_txtKeyword").value=="Enter Keywords..." || document.getElementById("ctl00_ContentPlaceHolder1_txtKeyword").value=="")
        {
            alert('Please enter enter keywords.');
            document.getElementById("ctl00_ContentPlaceHolder1_txtKeyword").value="";
            document.getElementById("ctl00_ContentPlaceHolder1_txtKeyword").focus();    
            return false;    
        }
}