function $get(el) {

	var obj = document.getElementById(el);
	if (obj) {
		return obj;		
	} else {
		return null;
	}
} 
function addLoadEvent(func) {  
var oldonload = window.onload;  
if (typeof window.onload != 'function') {  
           window.onload = func;  
} else {  
   window.onload = function() {  
       if (oldonload) {  
         oldonload();  
       }  
       func();  
      }  
  }  
} 
function lowerCaseUserName() {
if($get("login-form")) {
	$get("login-form").onsubmit = function() {
		if(this.__username)
			this.__username.value=this.__username.value.toLocaleLowerCase();
		else if(this.username)
			this.username.value=this.username.value.toLocaleLowerCase();			
		return true;
		}
	}
}
addLoadEvent(lowerCaseUserName);