window.onload = function() {
	var forms = new Array();
	var inputObjs = new Array();
	var selectObjs = new Array();
	var textAreaObjs = new Array();
	
	forms =  document.getElementsByTagName("form");
	selectObjs = document.getElementsByTagName("select");
	textAreaObjs = document.getElementsByTagName("textarea");
	for( var i = 0; i < forms.length; i++ ) {
		inputObjs = inputObjs.concat(Form.getInputs(forms[i], 'text'));
		inputObjs = inputObjs.concat(Form.getInputs(forms[i], 'password'));
	}

	// 
	for( i = 0; i <inputObjs.length; i++ ) {
		setEvent(inputObjs[i]);
	}

	// select
	for( i = 0; i <selectObjs.length; i++ ) {
		setEvent(selectObjs[i]);
	}

	// textArea
	for( i = 0; i <textAreaObjs.length; i++ ) {
		setEvent(textAreaObjs[i]);
	}

	function setEvent( formObj ) {
		formObj.onfocus = function() {
			 Element.addClassName(this, "focus");
		}
		formObj.onblur = function() {
			 Element.removeClassName(this, "focus");
		}
	}
}