if (document.images) {  
	img01on = new Image; img01off = new Image;  
	img02on = new Image; img02off = new Image;
	img03on = new Image; img03off = new Image;
	img04on = new Image; img04off = new Image;
	img05on = new Image; img05off = new Image;
	img06on = new Image; img06off = new Image;
	  
	img01on.src = "images/inner_menu_01_over.gif"; img01off.src = "images/inner_menu_01.gif"; 
	img02on.src = "images/inner_menu_02_over.gif"; img02off.src = "images/inner_menu_02.gif";
	img03on.src = "images/inner_menu_03_over.gif"; img03off.src = "images/inner_menu_03.gif"; 
	img04on.src = "images/inner_menu_04_over.gif"; img04off.src = "images/inner_menu_04.gif"; 
	img05on.src = "images/inner_menu_05_over.gif"; img05off.src = "images/inner_menu_05.gif";
	img06on.src = "images/inner_menu_06_over.gif"; img06off.src = "images/inner_menu_06.gif";
}

function img_act(imgName) { 
	if (document.images) {
		imgOn = eval (imgName + "on.src"); 
		document [imgName].src = imgOn; 
	}
} 

function img_inact(imgName) { 
	if (document.images) {
		imgOff = eval(imgName + "off.src"); 
		document [imgName].src = imgOff;
	}
}