//
// Javascript description: menu rollover
//



function lightup(imgName,press_button)
 {
    if ( !(imgName == press_button)) 
    {
	if (document.images)
	{  
	 imgOn=eval(imgName + "_on.src");
	 document[imgName].src= imgOn;
	}
    }	
 }

function turnoff(imgName,press_button)
 {
    if ( !(imgName == press_button)) 
    {
        if (document.images) 
        {
	   imgOff=eval(imgName + "_off.src");
	   document[imgName].src= imgOff;
	}
    }
 }