ns4 = (document.layers) ? true:false;

	ie4 = (document.all) ? true:false;

	ng5 = (document.getElementById) ? true:false;

	ie6 = (parseInt(window.navigator.appVersion.charAt(0), 10) <= 6 && window.navigator.userAgent.indexOf("MSIE") > -1);





	var mousex = 0;

	var mousey = 0;



	//addListener(document,"load",watchMouse);

	var mouse_onload_old = window.onload;

	window.onload = watchMouse;

	

	function watchMouse()

	{

		if (typeof(mouse_onload_old) == "function")

		{

			try

			{

				mouse_onload_old();

			}

			catch(e) {}

		}



		addListener(document,"mousemove",getMousePos);

	}



	function getMousePos(e)

	{

		if(ie4)

		{

			mousex = event.clientX + document.body.scrollLeft;

			mousey = event.clientY + document.body.scrollTop;



		}

		else

		{

			mousex = e.pageX;

			mousey = e.pageY;

		}



		if (mousex <= 0) {mousex = 0};

		if (mousey <= 0) {mousey = 0} ;  



		return true;

	}



	function objectVisible(object, visible)

	{

		if (visible == null)

		{

			visible = true;

		}

		if (visible)

		{

			if (ng5) document.getElementById(object).style.visibility = "visible";

			else if (ns4) document[object].visibility = "show";

			else if (ie4) eval(object + ".style.visibility = 'visible'");

		}

		else

		{

			if (ng5) document.getElementById(object).style.visibility = "hidden";

			else if (ns4) document[object].visibility = "hide";

			else if (ie4) eval(object + ".style.visibility = 'hidden'");

		}

	}



	function objectDisplayStyle(object, state)

	{

		if (ng5) document.getElementById(object).style.display = state;

		else if (ie4) eval(object + ".style.display = '" + state + "';");

	}

	

	function centerItem(idItem)

	{

		var item = getItemFromId(idItem);

		var browseWidth;

		var browseHeight;

		var docleft = getScrollLeft();

		var doctop = getScrollTop();

		var itemWidth = item.offsetWidth;

		var itemHeight = item.offsetHeight;

		if (ie4)

		{

			browseWidth=document.body.clientWidth;

			browseHeight=document.body.clientHeight;

		}

		else

		{

			browseWidth = window.innerWidth;

			browseHeight = window.innerHeight;

		}

		var left_pos = docleft + ((browseWidth/2) - (itemWidth/2));

		var top_pos = doctop + ((browseHeight/2) - (itemHeight/2));

		if (left_pos < docleft)

			left_pos = docleft;

		if (top_pos < doctop)

			top_pos = doctop;

		setItemPos(idItem, left_pos, top_pos);

	}



	function calculateSumOffset(idItem, offsetName)

	{

		var totalOffset = 0;

		var item = getItemFromId(idItem);

		do

		{

			totalOffset += eval('item.'+offsetName);

			item = eval('item.offsetParent');

		} while (item != null);

		return totalOffset;

	}



	function getItemX(idItem)

	{

		var obj = getItemFromId(idItem);

		var curleft = 0;

		if (obj.offsetParent)

		{

			while (obj.offsetParent)

			{

				curleft += obj.offsetLeft;

				obj = obj.offsetParent;

			}

		}

		else if (obj.x)

			curleft += obj.x;

		return curleft;

	}

	

	function getItemY(idItem)

	{

		var obj = getItemFromId(idItem);

		var curtop = 0;

		if (obj.offsetParent)

		{

			while (obj.offsetParent)

			{

				curtop += obj.offsetTop;

				obj = obj.offsetParent;

			}

		}

		else if (obj.y)

			curtop += obj.y;

		return curtop;

	}



	function getItemHeight(idItem)

	{

		var obj = getItemFromId(idItem);

		return obj.offsetHeight;

	}



	function getItemWidth(idItem)

	{

		var obj = getItemFromId(idItem);

		return obj.offsetWidth;

	}



	function setItemHeight(idItem,height)

	{

		var obj = getItemFromId(idItem);

		obj.style.height = height + "px";

	}

	

	function setItemWidth(idItem,width)

	{

		var obj = getItemFromId(idItem);

		obj.style.width = width + "px";

	}



	function setItemPos(idItem, x, y)

	{

		var item;

		if (ie4)

		{

			eval ("document.all." + idItem + ".style.pixelTop = y ;");

			eval ("document.all." + idItem + ".style.pixelLeft = x ;");

		}

		else if (ng5)

		{

			item = document.getElementById(idItem);

			item.style.top = y + "px";

			item.style.left = x + "px";

		}

		else if (ns4)

		{

			item = document[idItem];

			item.top = y;

			item.left = x;

		}

	}



	function getItemFromId(idItem)

	{

		if (typeof(idItem) == "object")

			return idItem;

		var item;

		if (ie4)

		{

			eval ("item = document.all." + idItem + " ;");

		}

		else if (ng5)

		{

			item = document.getElementById(idItem);

		}

		else if (ns4)

		{

			item = document[idItem];

		}

		return item;

	}

	

	function positionByMouse(idItem)

	{

		var item = getItemFromId(idItem);

		var docleft = document.body.scrollLeft;

		var doctop = document.body.scrollTop;

		var docright = docleft + document.body.clientWidth;

		var docbottom = doctop + document.body.clientHeight;

		var itemwidth = item.offsetWidth;

		var itemheight = item.offsetHeight;

		var newx;

		var newy;



		if (mousex + itemwidth > docright)

		{

			if (docright - itemwidth < docleft)

			{

				newx = docleft;

			}

			else

			{

				newx = docright - itemwidth;

			}

		}

		else

		{

			newx = mousex;

		}



		if (mousey + itemheight > docbottom)

		{

			if (docbottom - itemheight < doctop)

			{

				newy = doctop;

			}

			else

			{

				newy = docbottom - itemheight;

			}

		}

		else

		{

			newy = mousey;

		}



		setItemPos(idItem,newx,newy);

	}



	function addListener(item,method,func)

	{

		//var item = getItemFromId(id);

		if (item.addEventListener)

			item.addEventListener(method,func,true);

		else if (item.attachEvent)

		{

			var r = item.attachEvent('on' + method,func);

		}

	}

	

	function removeListener(item,method,func)

	{

		//var item = getItemFromId(id);

		if (item.removeEventListener)

			item.removeEventListener(method,func,true);

		else if (item.detachEvent)

		{

			var r = item.detachEvent('on' + method,func);

		}

	}



	function getPageSize()

	{

		var xScroll, yScroll;

		

		if (window.innerHeight && window.scrollMaxY)

		{

			xScroll = document.body.scrollWidth;

			yScroll = window.innerHeight + window.scrollMaxY;

		}

		else if (document.body.scrollHeight > document.body.offsetHeight)

		{

			xScroll = document.body.scrollWidth;

			yScroll = document.body.scrollHeight;

		}

		else

		{

			xScroll = document.body.offsetWidth;

			yScroll = document.body.offsetHeight;

		}

		

		var windowWidth, windowHeight;

		if (self.innerHeight)

		{

			windowWidth = self.innerWidth;

			windowHeight = self.innerHeight;

		}

		else if (document.documentElement && document.documentElement.clientHeight)

		{

			windowWidth = document.documentElement.clientWidth;

			windowHeight = document.documentElement.clientHeight;

		}

		else if (document.body)

		{

			windowWidth = document.body.clientWidth;

			windowHeight = document.body.clientHeight;

		}	

		

		if(yScroll < windowHeight)

		{

			pageHeight = windowHeight;

		}

		else

		{ 

			pageHeight = yScroll;

		}



		if(xScroll < windowWidth)

		{

			pageWidth = windowWidth;

		}

		else

		{

			pageWidth = xScroll;

		}



		arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);

		return arrayPageSize;

	}

	

	function getPageWidth()

	{

		var xScroll;

		

		if (window.innerHeight && window.scrollMaxY)

		{

			xScroll = document.body.scrollWidth;

		}

		else if (document.body.scrollHeight > document.body.offsetHeight)

		{

			xScroll = document.body.scrollWidth;

		}

		else

		{

			xScroll = document.body.offsetWidth;

		}

		

		var windowWidth;

		if (self.innerHeight)

		{

			windowWidth = self.innerWidth;

		}

		else if (document.documentElement && document.documentElement.clientHeight)

		{

			windowWidth = document.documentElement.clientWidth;

		}

		else if (document.body)

		{

			windowWidth = document.body.clientWidth;

		}	



		if(xScroll < windowWidth)

		{

			pageWidth = windowWidth;

		}

		else

		{

			pageWidth = xScroll;

		}



		return pageWidth;

	}



	function getPageHeight()

	{

		var yScroll;

		

		if (window.innerHeight && window.scrollMaxY)

		{

			yScroll = window.innerHeight + window.scrollMaxY;

		}

		else if (document.body.scrollHeight > document.body.offsetHeight)

		{

			yScroll = document.body.scrollHeight;

		}

		else

		{

			yScroll = document.body.offsetHeight;

		}

		

		var windowHeight;

		if (self.innerHeight)

		{

			windowHeight = self.innerHeight;

		}

		else if (document.documentElement && document.documentElement.clientHeight)

		{ 

			windowHeight = document.documentElement.clientHeight;

		}

		else if (document.body)

		{ 

			windowHeight = document.body.clientHeight;

		}	

		

		if(yScroll < windowHeight)

		{

			pageHeight = windowHeight;

		}

		else

		{ 

			pageHeight = yScroll;

		}

		

		return pageHeight;

	}

	

	function getScrollTop()

	{

		if (self.pageYOffset)

		{

			return self.pageYOffset;

		}

		else if (document.documentElement && document.documentElement.scrollTop)

		{

			return document.documentElement.scrollTop;

		}

		else if (document.body)

		{

			return document.body.scrollTop;

		}

	}

	

	function getScrollLeft()

	{

		if (self.pageXOffset)

		{

			return self.pageXOffset;

		}

		else if (document.documentElement && document.documentElement.scrollLeft)

		{

			return document.documentElement.scrollLeft;

		}

		else if (document.body)

		{

			return document.body.scrollLeft;

		}

	}