function validate(frm)
 {
   
   if(frm["fname"].value=="")
    {
	alert("Enter the First name");
	frm["fname"].focus();  
	return false
    }

   if(frm["lname"].value=="")
    {
	alert("Enter the Last name");
	frm["lname"].focus();  
	return false
    }


   phone_w=frm["phone_w"].value
   
   mobile=frm["mobile"].value

   if(isNumber(phone_w)==false)
     {
       alert("Invalid Number!");      
       frm.phone_w.select();
       return false;       
     }

   if(isNumber(mobile)==false)
     {
       alert("Invalid Number!");      
       frm.mobile.select();
       return false;       
     }
     
    
     email=frm["email"].value
    
    validRegExp = /^\w(\.?[\w-])*@\w(\.?[\w-])*\.[a-z]{2,6}$/i;;

    if(email=="")
     {
      alert("Enter your email address")
      frm["email"].focus();
      return false;    
     }
    else
     {
	    if (email.search(validRegExp) == -1) 
	     {
	      alert("Invalid email");
	      frm["email"].select();
	      return false;
	     }
     }	   
     

 }



function isNumber(data)
{

             
	var numStr="1234567890/+ -_)(.,";
	var thisChar;
	var counter=0;
	for(var i=0; i < data.length; i++)
		{
			thisChar=data.substring(i,i+1);
			if(numStr.indexOf(thisChar)!=-1)
			{counter++;}
		}
		if(counter==data.length)
		{return true;}
		else
		 {
		  return false;
		  alert("Invalid Number!"); 
		 }
}