//author:xsl	小蛇龙

if(!FormUtil) var FormUtil = {};	//定义一个对象
FormUtil = {
	inputTxt:null,
	select:function(val){
		var x_name = $(":input[value="+ val +"]").attr('name');
		$(":input[name=" + x_name +"]").each(function(){
			$("#" + $(this).attr('value')).css('display','none');					 
		});
		
		$("#" + val).css('display','block');
	},
	
	FirstFocus:function(){	//将鼠标光标放在第一个，不包括，HIDDEN
		if(document.forms.length){
			for(var i=0;i<document.forms.length;i++){
				for(var t=0;t<document.forms[i].elements.length;t++){
						if(document.forms[i].elements[t].type!="hidden"){
							document.forms[i].elements[t].focus();
							break;
						}
				}
			}
		}
	},
	
	
	
	yz:function(f,disabled){
		elem = f.elements;
		return Yanzheng.yanzheng(elem,disabled);
	},
	//End Yangzheng

	focus:function(id){
		o = _$(id);
		if(typeof o.firstValue == 'undefined'){
			this.inputTxt = o.value;
			o.value = '';
		}
	},
	
	blur:function(id){
		o = _$(id);	
		if(o.value==this.inputTxt || o.value==''){
			o.value = this.inputTxt;
		}
	}
}

/*$(function(){
	if(parseInt(userid)>0){return ;}
	var forms = document.forms;
	for(var i=0,fl=forms.length;i<fl;i++){
		if(forms[i].getAttribute('tologin')!=undefined && forms[i].getAttribute('tologin')){
			var curelem = forms[i].elements;
			for(var j=0;j<curelem.length;j++){
				if(curelem[j].type=='text' || curelem[j].tagName=='TEXTAREA' || curelem[j].type=="submit"){
					curelem[j].value = '请先登陆！';
					curelem[j].disabled = true;
				}
			}
		}	
	};
	
})*/

$(function(){
		
	$("form").each(function(){
		if(this.getAttribute('search')==undefined){
			return true;
		}
		$(this).submit(function(){
			var elem = this.elements;
			if(elem['word'].value=='请输入关键字' || elem['word'].value=='输入歌曲名字'){elem['word'].value='';}
			var t=0;
			for(var i=0;i<elem.length;i++){
				if(elem[i].tagName=='SELECT' || (elem[i].tagName=='INPUT' && elem[i].type=='text')){
					if(elem[i].value!=''){
						t++;
						break;
					}
				}
			}
			if(t==0){
				//alert('请至少输入一个关健字！');
				show_tishi_info('搜索提示','请至少输入一个关健字！');
				return false;
			}
		})		
	})		   

		   
})