function openAppWindow(winName,winWidth,winHeight,winLeft,winTop)
{
     	params = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1," + 
     		"width=" + winWidth + ",height=" + winHeight + ",left=" + winLeft + ",top=" + winTop + "";
     	var x=window.open('about:blank',winName,params); 
}

function showWin(selectDiv, selectFrame) 
{
    var mainDiv = document.getElementById(selectDiv);
    mainDiv.innerHTML = "<iframe frameborder=0 id='" + selectFrame + "' name='" + selectFrame + "' src='' style='width:600;height:500'></iframe>";
    mainDiv.style.width = 600;
    mainDiv.style.height = 500;
    moveWin(selectDiv);
    mainDiv.style.visibility = "visible";          
}

function moveWin(selectDiv)
{
    var mainDiv = document.getElementById(selectDiv);
    var divWidth = parseInt(mainDiv.style.width);
    var divHeight = parseInt(mainDiv.style.height);
    var divLeft = (document.body.offsetWidth-divWidth)/2;
    var divTop = (document.body.offsetHeight-divHeight)/2;
    mainDiv.style.posTop = document.body.scrollTop+divTop;
    mainDiv.style.posLeft = divLeft;
}

function hideWin(selectDiv)
{
    var mainDiv = document.getElementById(selectDiv);
    mainDiv.style.visibility = "hidden";
}