// JavaScript Document

	function ShowPicture(layerContent, layerImg, srcImg, fadeLayer, ShowPic)
	{
		if (!ShowPic)
		{
			hidelayer(layerContent,fadeLayer);
		}
		else
		{
			showlayer(layerContent, layerImg, srcImg, fadeLayer);
		}
	}  
  
	function hidelayer(layerContent, fadeLayer)
	{
		if (navigator.appName == "Netscape")
		{
			document.getElementById(layerContent).style.visibility = 'hidden';
			document.getElementById(fadeLayer).style.visibility = 'hidden';
		}
		
		if (navigator.appName == "Opera")
		{
			document.getElementById(layerContent).style.visibility = 'hidden';
			document.getElementById(fadeLayer).style.visibility = 'hidden';
		}

		if (navigator.appName == "Microsoft Internet Explorer")
		{
			document.all[layerContent].style.visibility="hidden";
			document.all[fadeLayer].style.visibility="hidden";
		}
	}
  
	function showlayer(layerContent, layerImg, srcImg, fadeLayer)
	{
		var width = document.documentElement.clientWidth;		//Ширина видимого экрана
		var height = document.documentElement.clientHeight;   //Высота видимого экрана

		var leftScroll = document.documentElement.scrollLeft;       // Скролл слева
		var topScroll = document.documentElement.scrollTop;         // Скролл сверху

		var PageWidth = document.documentElement.scrollWidth;         // Скролл сверху
		var PageHeight = document.documentElement.scrollHeight;         // Скролл сверху

		var leftDiv = 0;
		var topDiv = 0;
		
		if (navigator.appName == "Netscape")
		{
			//width=document.getElementById(layerContent).style.width;
			widthLayer=500;		// Ширина слоя с картинкой
			//height=document.getElementById(layerContent).style.height;
			heightLayer=500;	// Высота слоя с картинкой
			leftDiv = Math.round((width - widthLayer)/2)+leftScroll;
			topDiv = Math.round((height - heightLayer)/2)+topScroll;
		}

		if (navigator.appName == "Opera")
		{
			//width=document.getElementById(layerContent).style.width;
			widthLayer=500;		// Ширина слоя с картинкой
			//height=document.getElementById(layerContent).style.height;
			heightLayer=500;	// Высота слоя с картинкой
			leftDiv = Math.round((width - widthLayer)/2)+leftScroll;
			topDiv = Math.round((height - heightLayer)/2)+topScroll;
		}

		if (navigator.appName == "Microsoft Internet Explorer")
		{
			//widthLayer=document.all[layerContent].clientWidth;
			widthLayer=500;		// Ширина слоя с картинкой
			//heightLayer=document.all[layerContent].clientHeight;
			heightLayer=500;	// Высота слоя с картинкой
			leftDiv = Math.round((width - widthLayer)/2)+leftScroll;
			topDiv = Math.round((height - heightLayer)/2)+topScroll;
		}

		if (navigator.appName == "Netscape")
		{
			document.getElementById(fadeLayer).style.width=PageWidth+'px';
			document.getElementById(fadeLayer).style.height=PageHeight+'px';
			document.getElementById(fadeLayer).style.visibility = 'visible';
			document.getElementById(fadeLayer).className = 'opacityFirefox';
			document.getElementById(layerImg).src = srcImg;
			document.getElementById(layerContent).style.left = leftDiv+'px';
			document.getElementById(layerContent).style.top = topDiv+'px';
			document.getElementById(layerContent).style.visibility = 'visible';
		}

		if (navigator.appName == "Opera")
		{
			document.getElementById(fadeLayer).style.width=PageWidth+'px';
			document.getElementById(fadeLayer).style.height=PageHeight+'px';
			document.getElementById(fadeLayer).style.visibility = 'visible';
			document.getElementById(fadeLayer).className = 'opacityFirefox';
			document.getElementById(layerImg).src = srcImg;
			document.getElementById(layerContent).style.left = leftDiv+'px';
			document.getElementById(layerContent).style.top = topDiv+'px';
			document.getElementById(layerContent).style.visibility = 'visible';
		}

		if (navigator.appName == "Microsoft Internet Explorer")
		{
			document.all[fadeLayer].style.width=width+leftScroll;
			document.all[fadeLayer].style.height=height+topScroll;
			document.all[fadeLayer].style.visibility="visible";
			document.all[fadeLayer].className="opacityIE";
			document.all[layerImg].src=srcImg;
			document.all[layerContent].style.left=leftDiv;
			document.all[layerContent].style.top=topDiv;
			document.all[layerContent].style.visibility="visible";
		}
	}