// get URL
    var url  = this.location + "";
    var vm_ipid = 20030;

    // check against "known" channels 
    if ((url.indexOf('realestate.msn.com/article.aspx') != -1) || (url.indexOf('realestate.msn.com/listarticle.aspx') != -1) || (url.indexOf('realestate.msn.com/blogs') != -1)) {
        vm_ipid=20029;
    } else if (url.indexOf('realestate.msn.com/slideshow.aspx') != -1) {
        vm_ipid=21038;	
    }    
    
    // drop the script
    document.write(
        '<SCR'+'IPT language="javascript" type="text/javascript" ' +
        'src="http://realestate.msn.us.intellitxt.com/intellitxt/front.asp?ipid=' + vm_ipid +
        '"' +
        '>' +
        '</SCR'+'IPT>'
    );