var DoNotHideContent = '{DoNotHideContent}';
var scroller = {
        init:   function() {
                scroller.docH = document.getElementById("content").offsetHeight;
                if(scroller.docH > 400)
                {
                   document.getElementById("cell_1").style.display = "block";
                   document.getElementById("cell_2").style.display = "block";
                   document.getElementById("cell_3").style.display = "block";
                   document.getElementById("contentTable").style.display = "block";
                }
                else
                {
                        document.getElementById("buffer").style.display = "block";
						if(DoNotHideContent!= 'YES')
                        document.getElementById("contentTable").style.display = "none";
                }
                scroller.contH = document.getElementById("container").offsetHeight;
                scroller.scrollAreaH = document.getElementById("scrollArea").offsetHeight;
                scroller.scrollH = (scroller.contH * scroller.scrollAreaH) / scroller.docH;
                scroller.scrollDist = Math.round(scroller.scrollAreaH) - 15;
                Drag.init(document.getElementById("scroller"),null,0,0,-1,scroller.scrollDist);

                document.getElementById("scroller").onDrag = function (x,y) {
                        var scrollY = parseInt(document.getElementById("scroller").style.top);
                        var docY = 0 - (scrollY * (scroller.docH - scroller.contH) / scroller.scrollDist);
                        document.getElementById("content").style.top = docY + "px";

                }
        }
}

function scrollDown()
{
        if (parseInt(document.getElementById("scroller").style.top)<=(parseInt(document.getElementById("scrollArea").offsetHeight) - parseInt(document.getElementById("scroller").offsetHeight)))
        {
                document.getElementById("scroller").style.top = parseInt(document.getElementById("scroller").style.top) + 1 + "px";
                document.getElementById("scroller").onDrag();
                movedownvar=setTimeout("scrollDown()",20)
        }
}

function scrollUp()
{
        if (parseInt(document.getElementById("scroller").style.top)>=0)
        {
                document.getElementById("scroller").style.top = parseInt(document.getElementById("scroller").style.top) - 1 + "px";
                document.getElementById("scroller").onDrag();
                moveupvar=setTimeout("scrollUp()",20)
        }
}


onload = scroller.init;

function openGallery()
{
        var nTop=(screen.height/2)-550/2;
        var nLeft=(screen.width/2)-900/2;
        window.open("/maslovo/gallery/","VT","width=1000,height=420,status=no,toolbar=no,menubar=no,location=no,scrollbars=yes,top="+nTop+",left="+nLeft);

}

function handle(delta) {
	if (delta < 0)
	{
		scrollDown();
		clearTimeout(movedownvar);
	}
	else
	{
		scrollUp();
		clearTimeout(moveupvar);
	}
}

function wheel(event){
	var delta = 0;
	if (!event) event = window.event;
	if (event.wheelDelta) {
		delta = event.wheelDelta/120;
		if (window.opera) delta = -delta;
	} else if (event.detail) {
		delta = -event.detail/3;
	}
	if (delta)
		handle(delta);
        if (event.preventDefault)
                event.preventDefault();
        event.returnValue = false;
}

/* Initialization code. */
//if (window.addEventListener)
//	window.addEventListener('DOMMouseScroll', wheel, false);
//window.onmousewheel = document.onmousewheel = wheel;