//function change(t)
//{
//switch(t)
//{ 
//		 case 1:
//				document.getElementById("tab4").className="t";
//				document.getElementById("tab3").className="t1";
//				document.getElementById("tab2").className="t1";
//				document.getElementById("tab1").className="t1";
//				document.getElementById("a1").style.display="";
//				document.getElementById("a2").style.display="none";
//				document.getElementById("a3").style.display="none";
//				document.getElementById("a4").style.display="none";
//		 break;
//		 case 2:
//			    document.getElementById("tab4").className="t1";
//				document.getElementById("tab3").className="t";
//				document.getElementById("tab2").className="t1";
//				document.getElementById("tab1").className="t1";
//				document.getElementById("a1").style.display="none";
//				document.getElementById("a2").style.display="";
//				document.getElementById("a3").style.display="none";
//				document.getElementById("a4").style.display="none";
//		 break;
//		 case 3:
//			    document.getElementById("tab4").className="t1";
//				document.getElementById("tab3").className="t1";
//				document.getElementById("tab2").className="t";
//				document.getElementById("tab1").className="t1";
//				document.getElementById("a1").style.display="none";
//				document.getElementById("a2").style.display="none";
//				document.getElementById("a3").style.display="";
//				document.getElementById("a4").style.display="none";
//		 break;
//		 case 4:
//				document.getElementById("tab4").className="t1";
//				document.getElementById("tab3").className="t1";
//				document.getElementById("tab2").className="t1";
//				document.getElementById("tab1").className="t";
//				document.getElementById("a1").style.display="none";
//				document.getElementById("a2").style.display="none";
//				document.getElementById("a3").style.display="none";
//				document.getElementById("a4").style.display="";
//		break;
//	}
//	
//}
function change1(n) {
    switch (n) {
        case 1:


            document.getElementById("m1").style.display = "block";
            document.getElementById("m2").style.display = "none";
            document.getElementById("m3").style.display = "none";
            document.getElementById("m4").style.display = "none";
            document.getElementById("m5").style.display = "none";
            document.getElementById("m6").style.display = "none";
            document.getElementById("m7").style.display = "none";
            document.getElementById("m8").style.display = "none";
            break;
        case 2:

            document.getElementById("m1").style.display = "none";
            document.getElementById("m2").style.display = "block";
            document.getElementById("m3").style.display = "none";
            document.getElementById("m4").style.display = "none";
            document.getElementById("m5").style.display = "none";
            document.getElementById("m6").style.display = "none";
            document.getElementById("m7").style.display = "none";
            document.getElementById("m8").style.display = "none";
            break;
        case 3:

            document.getElementById("m1").style.display = "none";
            document.getElementById("m2").style.display = "none";
            document.getElementById("m3").style.display = "block";
            document.getElementById("m4").style.display = "none";
            document.getElementById("m5").style.display = "none";
            document.getElementById("m6").style.display = "none";
            document.getElementById("m7").style.display = "none";
            document.getElementById("m8").style.display = "none";
            break;
        case 4:

            document.getElementById("m1").style.display = "none";
            document.getElementById("m2").style.display = "none";
            document.getElementById("m3").style.display = "none";
            document.getElementById("m4").style.display = "block";
            document.getElementById("m5").style.display = "none";
            document.getElementById("m6").style.display = "none";
            document.getElementById("m7").style.display = "none";
            document.getElementById("m8").style.display = "none";
            break;
        case 5:

            document.getElementById("m1").style.display = "none";
            document.getElementById("m2").style.display = "none";
            document.getElementById("m3").style.display = "none";
            document.getElementById("m4").style.display = "none";
            document.getElementById("m5").style.display = "block";
            document.getElementById("m6").style.display = "none";
            document.getElementById("m7").style.display = "none";
            document.getElementById("m8").style.display = "none";
            break;
        case 6:

            document.getElementById("m1").style.display = "none";
            document.getElementById("m2").style.display = "none";
            document.getElementById("m3").style.display = "none";
            document.getElementById("m4").style.display = "none";
            document.getElementById("m5").style.display = "none";
            document.getElementById("m6").style.display = "block";
            document.getElementById("m7").style.display = "none";
            document.getElementById("m8").style.display = "none";
            break;
        case 7:

            document.getElementById("m1").style.display = "none";
            document.getElementById("m2").style.display = "none";
            document.getElementById("m3").style.display = "none";
            document.getElementById("m4").style.display = "none";
            document.getElementById("m5").style.display = "none";
            document.getElementById("m6").style.display = "none";
            document.getElementById("m7").style.display = "block";
            document.getElementById("m8").style.display = "none";
            break;
        case 8:

            document.getElementById("m1").style.display = "none";
            document.getElementById("m2").style.display = "none";
            document.getElementById("m3").style.display = "none";
            document.getElementById("m4").style.display = "none";
            document.getElementById("m5").style.display = "none";
            document.getElementById("m6").style.display = "none";
            document.getElementById("m7").style.display = "none";
            document.getElementById("m8").style.display = "block";
            break;
    }
}

function scrollImg() {
    var posX, posY;
    if (window.innerHeight) {
        posX = window.pageXOffset;
        posY = window.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop) {
        posX = document.documentElement.scrollLeft;
        posY = document.documentElement.scrollTop;
    }
    else if (document.body) {
        posX = document.body.scrollLeft;
        posY = document.body.scrollTop;
    }
    var foot = document.getElementById("footer");
    var foot_top = foot.offsetTop;
    var ad = document.getElementById("move");
    var ad_top = ad.offsetTop;
    var ad_height = ad.offsetHeight;
    var ad_bottom = ad_height + posY + 176;

    if (ad_bottom <= foot_top) {
        ad.style.top = (posY + 0) + "px";
        ad.style.left = (posX + 0) + "px";
    }
    setTimeout("scrollImg()", 50);
}


function onblur() {
    hidefocus = true;
}

function disablescroll() {
    var temp_h1 = document.body.clientHeight;
    var temp_h2 = document.documentElement.clientHeight;
    var isXhtml = (temp_h2 <= temp_h1 && temp_h2 != 0) ? true : false;
    var htmlbody = isXhtml ? document.documentElement : document.body;
    htmlbody.style.overflow = "hidden";

    document.getElementById("noMethod").style.display = "block";
}

function eablescroll() {
    var temp_h1 = document.body.clientHeight;
    var temp_h2 = document.documentElement.clientHeight;
    var isXhtml = (temp_h2 <= temp_h1 && temp_h2 != 0) ? true : false;
    var htmlbody = isXhtml ? document.documentElement : document.body;
    htmlbody.style.overflow = "auto";

    //document.getElementById("noMethod").style.display = "none";
}

function addCookie() {
    if (window.ActiveXObject) {
        window.external.addFavorite('http://www.jshere.com/index.aspx', '江苏在这里数字科技有限公司');
    }
    else {
        window.sidebar.addPanel('江苏在这里数字科技有限公司', 'http://www.jshere.com/index.aspx', "");
    }
}

function setHomepage() {
    if (window.ActiveXObject) {
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage('http://www.jshere.com/index.aspx');

    }
    else if (window.sidebar) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch (e) {
                alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true");
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage', 'http://www.jshere.com/index.aspx');
    }
}