//THIS FUNCTION EXTENDS THE HEIGHT OF THE SIDEBAR
function adjust_sidebar()  
{  
//RETRIEVE HEIGHTS OF SIDEBAR AND CONTENTS
height_sidebar = xHeight("sidebar");  
height_contents = xHeight("contents");

//RETRIEVE THE MAXIMUM HEIGHT
height_max = Math.max(height_sidebar, height_contents);  
 
//ASSIGN MAXIMUM HEIGHT TO SIDEBAR AND CONTENTS
xHeight("sidebar", height_max);  
xHeight("contents", height_max);
 
//DISPLAY THE FOOTER
xShow("footer");
}

//THIS FUNCTION LAUNCHES THE ADJUST SIDEBAR FUNCTION
window.onload = function()  
{  
	xAddEventListener(window, "resize", adjust_sidebar, false);  
	adjust_sidebar();  
}