// JavaScript Document
 function checkEmail(emailString) {
	splitVal = emailString.split('@');
	
	if(splitVal.length <= 1) {
		alert("Please enter a valid email address");
		return false;
	}
	if(splitVal[0].length <= 0 || splitVal[1].length <= 0  ) {
		alert("Please enter a valid email address");
		return false;
	}
	if(splitVal[0].charAt(0) >= 0 || splitVal[0].charAt(0) <= 9){
		alert("Please enter a valid email address");
		return false;
	}
	
	splitDomain = splitVal[1].split('.');
	if(splitDomain.length <= 1) {
		alert("Please enter a valid email address");
		return false;
	}
	if(splitDomain[0].length <= 0 || splitDomain[1].length <= 1) {
		alert("Please enter a valid email address");
		return false;
	}
	return true;
}

function validate()
 {
 
   if(document.contact.txtFName.value=="Name")
      {
        alert("Enter your Name");
        document.contact.txtFName.focus();
	    document.contact.txtFName.select();
	    return false;
      }
	  
	   if(document.contact.txtEmail.value=="Email Id")
     { 
       var a= document.contact.txtEmail.value;
       alert("Enter your Email Id");
       document.contact.txtEmail.focus();
	   document.contact.txtEmail.select();
	   return false;
     }
	else if( !checkEmail((document.contact.txtEmail.value))) 
	  {
        document.contact.txtEmail.focus();
        return false;
      }
 
  
   if(document.contact.txtPhone.value=="Phone Number")
     {
      alert("Enter your Phone Number");
      document.contact.txtPhone.focus();
	  document.contact.txtPhone.select();
	  return false;
     } 
   
  /*validaton of phone number in between 10 to 15*/
    var no = /^([0-9]{10,15})$/;
    if(!no.test(document.contact.txtPhone.value))
     {
      alert("Please enter valid phone number");
      return false;
     }
	 
	 
	  if(document.contact.txtMessage.value=="Description")
   {
    alert("Enter Your Comments");
    document.contact.txtMessage.focus();
	document.contact.txtMessage.select();
	 return false;
    } 
	
 return true();
 }