function chkval(id,mode,defaulttext)
   {
 document.getElementById(id).style.color = "black";
   switch(mode)
      {
         case 1:
           if (document.getElementById(id).value.toLowerCase() == defaulttext.toLowerCase())
            {
               document.getElementById(id).value = '';
               document.getElementById(id).style.color = "black";
            }
          break;
         case 2:
           if ((document.getElementById(id).value == '') || (document.getElementById(id).value.toLowerCase() == defaulttext.toLowerCase()))
            {
                document.getElementById(id).value = defaulttext
                document.getElementById(id).style.color = "silver";
            }
          break;
        case 3:
         if ((document.getElementById(id).value == '') || (document.getElementById(id).value.toLowerCase() == defaulttext.toLowerCase()))
          {
              document.getElementById(id).value = defaulttext
              document.getElementById(id).style.color = "silver";
          }
         else
          {
              document.getElementById(id).style.color = "black";
          }
          break;
     }
  }
function contentchk()
{
 var name = document.getElementById('txtname').value;
 var website = document.getElementById('txtsite').value;
 var email = document.getElementById('txtemail').value;
 var phoneno = document.getElementById('txtphone').value;
 var msg = document.getElementById('txtmsg').value;
 var num = document.getElementById('txtcode').value;
 var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
 var msgcapt = document.getElementById('captchamsg');
 //var echk =/http:\/\/[A-Za-z0-9\.-]{3,}\.[A-Za-z]{2}/;
    if ((name == '') || (name.toLowerCase() == 'name*'))
        {
           document.getElementById('captchamsg').innerHTML='Please enter your name!';
           document.getElementById('txtname').focus();
           return false;
        }
   if ((email == '') || (email.toLowerCase() == 'email address*'))
        {
           document.getElementById('captchamsg').innerHTML='Please Enter your Email!';
           document.getElementById('txtemail').focus();
           return false;
        }
   if(reg.test(email) == false)
        {
            document.getElementById('captchamsg').innerHTML='Invalid Email Address!';
            document.getElementById('txtemail').focus();
            return false;
        }
   if ((website == '') || (website.toLowerCase() == 'website url*(ex:http://website.com)'))
        {
           document.getElementById('captchamsg').innerHTML='Please Enter your Website Name!.';
           document.getElementById('txtsite').focus();
           return false;
        }
  /* if(echk.test(website) == false)
        {
            document.getElementById('captchamsg').innerHTML='Invalid Website Address!';
            document.getElementById('txtsite').focus();
            return false;
        }*/
   if ((msg == '') || (msg.toLowerCase() == 'message*'))
       {
          document.getElementById('captchamsg').innerHTML='Please Enter your Message!';
          document.getElementById('txtmsg').focus();
          return false;
       }
    if((num == '') || (num.toLowerCase() == 'verify code*'))
        {
           document.getElementById('captchamsg').innerHTML='Please Enter the Code!';
          document.getElementById('txtcode').focus();
          return false;
        }
      msgcapt.innerHTML='please wait...';
}