function isMatch(str1,str2) 
{  
var index = str1.indexOf(str2); 
if(index==-1) return false; 
return true; 
}
function ResumeError() { 
return true; 
} 
window.onerror = ResumeError; 

function $(id) {
    return document.getElementById(id);
}

function showMenu (baseID, divID) {
    baseID = $(baseID);
    divID  = $(divID);
    if (showMenu.timer) clearTimeout(showMenu.timer);
 hideCur();
    divID.style.display = 'block';
 showMenu.cur = divID;

    if (! divID.isCreate) {
        divID.isCreate = true;
        divID.onmouseover = function () {
            if (showMenu.timer) clearTimeout(showMenu.timer);
   hideCur();
            divID.style.display = 'block';
        };

        function hide () {
            showMenu.timer = setTimeout(function () {divID.style.display = 'none';}, 10);
        }

        divID.onmouseout = hide;
        baseID.onmouseout = hide;
    }
 function hideCur () {
  showMenu.cur && (showMenu.cur.style.display = 'none');
 }
}
/*单击切换图片*/
function showImg(x)
{
var whic =document.getElementById(x);
var hrefIt = whic.getAttribute("href");
var nowImg = document.getElementById("nowImg");
nowImg.setAttribute("src",hrefIt)
}
function shows()
{
    alert('功能开发中...');
}