function initPage(){
	var _input = document.getElementsByTagName('input');
	for(var i = 0; i < _input.length; i++){
		if(_input[i].type == 'text' || _input[i].type =='password'){
			_input[i].val = _input[i].value;
			_input[i].onfocus = function(){
				if(this.value == this.val) this.value = '';
				this.parentNode.className += ' active';
			}
			_input[i].onblur = function(){
				this.parentNode.className = this.parentNode.className.replace('active','');
				if(this.value == '') this.value = this.val;
			}
		}
	}
}
if (window.addEventListener) window.addEventListener("load", initPage, false);
else if (window.attachEvent && !window.opera) window.attachEvent("onload", initPage);