var gModalCurrent = null;

function modal_show(inContentID,inTop,inLeft,inWidth)
{
    gModalCurrent = document.getElementById(inContentID);
    gModalCurrent.style.left = inLeft + "px";
    gModalCurrent.style.top = inTop + "px";
    gModalCurrent.style.width = inWidth + "px";
    
    var bd = document.getElementById("modal_backdrop");
    bd.style.height = window.getScrollHeight() + "px";
    bd.style.visibility = "visible";
    //gModalCurrent.style.visibility = 'visible';
    gModalCurrent.style.display = 'block';
}


function modal_hide() {
    if(gModalCurrent != null) {
        //gModalCurrent.style.visibility = "hidden";
        gModalCurrent.style.display = "none";
        gModalCurrent = null;
    }
    document.getElementById('modal_backdrop').style.visibility = "hidden";
}