$(document).ready(function(){
    var keyword = $("#keyword");
    keyword.focus(function(){
        if(this.value=="请输入关键词"){
                this.value="";
        }
    })
    keyword.blur(function(){
        if(this.value=="") {
            this.value="请输入关键词";
        }
    })
	$(keyword.parent("form").get(0)).submit(function(){
        if(keyword.attr("value")=="请输入关键词"){
               alert("请输入关键词");
                return false;
        }
        if(keyword.attr("value")=="请输入关键词"){
               alert("请输入关键词");
                return false;
        }

	});
	//当前页面 
/*
    处理当前页面当前样式
 */
var urls = new Array();
urls[0] = ["index"];
urls[1] = ["cooker.php?tp=1"];
urls[2] = ["cooker.php?tp=2"];
urls[3] = ["cooker.php?tp=4"];
urls[4] = ["shop"];
urls[5] = ["service"];
var links = window.location.href;
//alert(links);
var links = links.substring(links.lastIndexOf("/")+1);
//alert(links);
var sno=0;
for(var i=0;i<urls.length;i++) {
	for(var j=0;j<urls[i].length;j++) {
			if(links.indexOf(urls[i][j])>-1)  {
			sno=i+1;
			break;
		}
	}
	if(sno!=0) {
		break;
	}
}
//alert(sno)
var MenuList=$(".menu2");
MenuList.each(function(i,n){
					  $(n).attr("class","menu2");
					  if (i==(sno-1)) $(n).attr("class","menu2 current");
					   });
//$(MenuList[sno-1]).attr("class","menu2 current");

//高度适应
if($("#left_commom").length>0) {
var left_nav = $("#left_nav");
var left_commom = $("#left_commom");
var mright = $("#right");
if(mright.height()<450) {
      hs2 = 450;
      mright.height(450);
}else {
    hs2 = mright.height()
}
var hs = hs2-left_nav.height()-27;

left_commom.css("height",hs+"px");
}

if($("#pkeyword").length>0) {
    var pkeyword=$("#pkeyword");
    pkeyword.focus(function(){
        if(this.value=="产品编号"){
                this.value="";
        }
    })
}


})