function scrolldown(l) {
		if (checker) {
		
		if (document.getElementById) {  
		   document.getElementById(l).scrollTop+=10; 
		   eval("setTimeout(\"scrolldown('"+l+"')\",50)");
		   };
			
		if (document.layers) { 
		   document.l.scrollTop+=10; 
		   eval("setTimeout(\"scrolldown('"+l+"')\",50)");
		   };
		}
	}
	
function scrollup(l) {
	if (checker) {
	
	if (document.getElementById) { 
	   document.getElementById(l).scrollTop+=-10; 
	   eval("setTimeout(\"scrollup('"+l+"')\",50)");
	   };
		
	if (document.layers) { 
	   document.l.scrollTop+=-10; 
	   eval("setTimeout(\"scrollup('"+l+"')\",50)");
	   };
	}
}