function makeRequest2(url) {

 document.getElementById('whait').style.top=getScrollXY()+250+'px';
 document.getElementById('shadow').style.top=getScrollXY()-250+'px';
 
document.getElementById('whait').style.display='block';
document.getElementById('shadow').style.display='block';
document.getElementById('whait').style.zindex='99999999';
document.getElementById('shadow').style.zindex='99999998';

 location.href='/catalog/?'+url;
}


function getScrollXY() {
    var scrOfX = 0, scrOfY = 0;
    if( typeof( window.pageYOffset ) == 'number' ) {
        //FF
        scrOfY = window.pageYOffset;
        scrOfX = window.pageXOffset;
    } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
        //DOM 
        scrOfY = document.body.scrollTop;
        scrOfX = document.body.scrollLeft;
    } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
        //IE6
        scrOfY = document.documentElement.scrollTop;
        scrOfX = document.documentElement.scrollLeft;
    }
    return  scrOfY;
}