function movr(k) {
		 if (document.images) 
		  eval('document.img'+k+'.src=img'+k+'_on.src');
		}
		
		function mout(k) {
		 if (document.images) 
		  eval('document.img'+k+'.src=img'+k+'_off.src');
		}
		
		function handleOver() {
		 if (document.images) 
		  document.imgName.src=img_on.src;
		}
		
		function handleOut() {
		 if (document.images) 
		  document.imgName.src=img_off.src;
		}