function addHovers() {
		var links = $$('img.imgSwap');
		
		links.each(function(link) {
		    link.src = link.src.replace(/.jpg/, "_roll.jpg");
		    link.src = link.src.replace(/_roll.jpg/, ".jpg");
		    link.src = link.src.replace(/.png/, "_roll.png");
		    link.src = link.src.replace(/_roll.png/, ".png");
		});
		
		links.each(function(link) {
		    link.observe('mouseover', function(event) {
			if(link.src.indexOf(".jpg") >= 0) {
			    link.src = link.src.replace(/.jpg/, "_roll.jpg");
			}
			else if(link.src.indexOf(".gif") >= 0) {
			    link.src = link.src.replace(/.gif/, "_roll.gif");
			}
			else if(link.src.indexOf(".png") >= 0) {
			    link.src = link.src.replace(/.png/, "_roll.png");
			}
			

		    })
		});
		
		links.each(function(link) {
		    link.observe('mouseout', function(event) {
			if(link.src.indexOf(".jpg") >= 0) {
			    link.src = link.src.replace(/_roll.jpg/, ".jpg");
			}
			else if(link.src.indexOf(".gif") >= 0) {
			    link.src = link.src.replace(/_roll.gif/, ".gif");
			}
			else if(link.src.indexOf(".png") >= 0) {
			    link.src = link.src.replace(/_roll.png/, ".png");
			}
			

		    })
		});
	    }

	    function addHoversTo(query) {
		var links = $$(query);
		
		links.each(function(link) {
		    link.src = link.src.replace(/.jpg/, "_roll.jpg");
		    link.src = link.src.replace(/_roll.jpg/, ".jpg");
		});
		
		links.each(function(link) {
		    link.observe('mouseover', function(event) {
			if(link.src.indexOf(".jpg") >= 0) {
			    link.src = link.src.replace(/.jpg/, "_roll.jpg");
			}
			else if(link.src.indexOf(".gif") >= 0) {
			    link.src = link.src.replace(/.gif/, "_roll.gif");
			}
		    })
		});
		
		links.each(function(link) {
		    link.observe('mouseout', function(event) {
			if(link.src.indexOf(".jpg") >= 0) {
			    link.src = link.src.replace(/_roll.jpg/, ".jpg");
			}
			else if(link.src.indexOf(".gif") >= 0) {
			    link.src = link.src.replace(/_roll.gif/, ".gif");
			}
		    })
		});
	    }