window.onload = jsFnOnload;

function jsFnOnload()
{
	if (document.getElementById)
	{
		var menu = document.getElementById("index_pictures");
 		if (menu != null) 
		{
			var aLinks = menu.getElementsByTagName("a");
			for(aIndex = 0; aIndex < aLinks.length; aIndex++)
			{
				aLinks[aIndex].onmouseover = JSFnLinkOver;
				aLinks[aIndex].onmouseout = JSFnLinkOut;
				
				var aImage = aLinks[aIndex].getElementsByTagName("img")[0];
				
  			    aPreloadImage = new Image(); 
			 	aPreloadImage.src = aImage.src.replace('.jpg', '_over.jpg');
			}
		}
		
		var menu = document.getElementById("menu");
 		if (menu != null) 
		{
			var aLinks = menu.getElementsByTagName("a");
			for(aIndex = 0; aIndex < aLinks.length; aIndex++)
			{
				aLinks[aIndex].onmouseover = JSFnLinkOver;
				aLinks[aIndex].onmouseout = JSFnLinkOut;
				
				var aImage = aLinks[aIndex].getElementsByTagName("img")[0];
				
  			    aPreloadImage = new Image(); 
			 	aPreloadImage.src = aImage.src.replace('.gif', '_over.gif');
			}
		}

		var menu = document.getElementById("topmenu");
 		if (menu != null) 
		{
			var aLinks = menu.getElementsByTagName("a");
			for(aIndex = 0; aIndex < aLinks.length; aIndex++)
			{
				aLinks[aIndex].onmouseover = JSFnLinkOver;
				aLinks[aIndex].onmouseout = JSFnLinkOut;
				
				var aImage = aLinks[aIndex].getElementsByTagName("img")[0];
				
  			    aPreloadImage = new Image(); 
			 	aPreloadImage.src = aImage.src.replace('.jpg', '_over.jpg');
			}
		}
	}
	
}

function JSFnLinkOver()
{
	var aImage = this.getElementsByTagName("img")[0];
 	if (aImage != null)	
	{
		aImage.src = aImage.src.replace('.jpg', '_over.jpg');	
		aImage.src = aImage.src.replace('.gif', '_over.gif');	
	}
}

function JSFnLinkOut()
{
	var aImage = this.getElementsByTagName("img")[0];
 	if (aImage != null)	
	{
		aImage.src = aImage.src.replace('_over.jpg', '.jpg');	
		aImage.src = aImage.src.replace('_over.gif', '.gif');	
	}
}