function ShowMenu(option){ 
	var menu = document.getElementById(option);
	menu.style.display='';
} 
 
function HideMenu(option){ 
	var menu = document.getElementById(option);
	menu.style.display='none';
} 

function HideSubMenus(){	
	/*HideMenu('sub5');*/
	
}

function SwapImageON(img)
{
	if((img.src).indexOf('_over_sel.gif') == -1){
		img.src = (img.src).replace('_sel.gif', '_over_sel.gif');
	}
	HideSubMenus();
}

function SwapImageOFF(img)
{
	if((img.src).indexOf('_over_sel.gif') != -1){
		img.src = (img.src).replace('_over_sel.gif', '_sel.gif');
	}
	HideSubMenus();
}



function ActivateImage(img)
{
	var img2 = document.getElementById(img);
	
	if((img2.src).indexOf('_over_sel.gif') == -1)
		img2.src = (img2.src).replace('_sel.gif', '_over_sel.gif');
}