function BrowserCheck()
{
    var b = navigator.appName;
    if (b=="Netscape") { this.b = "ns"; }
    else if (b=="Microsoft Internet Explorer") { this.b = "ie"; }
    else { this.b = b; }
    this.version = navigator.appVersion;
    this.v = parseInt(this.version);
    this.ns = (this.b=="ns" && this.v>=4);
    this.ns4 = (this.b=="ns" && this.v==4);
    this.ns5 = (this.b=="ns" && this.v==5);
    this.ie = (this.b=="ie" && this.v>=4);
    this.ie4 = (this.version.indexOf('MSIE 4')>0);
    this.ie5 = (this.version.indexOf('MSIE 5')>0);
    this.min = (this.ns||this.ie);
}

is = new BrowserCheck();

function chng(ImgName,ImgSrc)
{
    if ((screen.colorDepth >= 24) && (is.ie4)) {
        eval('document.images.'+ImgName+'.src = '+ImgSrc+'.src;');
    }
    else {
        eval(ImgName + '.filters.blendTrans.stop();');
        eval(ImgName + '.filters.blendTrans.Apply();');
        eval(ImgName + '.src=' + ImgSrc + '.src;');
        eval(ImgName + '.filters.blendTrans.Play();');
    }
}

function chng2(ImgName,ImgSrc)
{
    eval('document.images.'+ImgName+'.src = '+ImgSrc+'.src;');
}