// This file having checks for validate login

function vallogin(){ 
    /*For registration validation*/
	    var msg = new String(); 
	    
	     if(isblank(document.login_form.user_name.value))
		   {	
		      msg="Please enter user name";
			  ele=document.login_form.user_name;
			 
	       }
	      else if(isblank(document.login_form.password.value))
		   {	
		      msg="Please enter password";
			  ele=document.login_form.password;
			 
	       } 
		
	   
	  if(msg.length > 0)
	   {
          alert(msg);
		  ele.focus();
		  return false;
      }
   
	 else{
       
		return true;
	    
	 } 
  }


//End

//validate blank value
	
function isblank(s)
{
  for(var i = 0; i < s.length; i++)
  {
	var c = s.charAt(i);
	if ((c != ' ') && (c != '\n') && (c != '\t')) return false;
  }
  return true;
}