ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

if (document.images)
   {
 
image1=new Image(157,24)
image1.src="images/menu/but01_on.jpg"

image1=new Image(157,24)
image1.src="images/menu/but02_off.jpg"

image2=new Image(156,24)
image2.src="images/menu/but02_on.jpg"

image2=new Image(156,24)
image2.src="images/menu/but02_off.jpg"

image3=new Image(157,24)
image3.src="images/menu/but03_on.jpg"

image3=new Image(157,24)
image3.src="images/menu/but03_off.jpg"

image5=new Image(157,24)
image5.src="images/menu/but05_on.jpg"

image5=new Image(157,24)
image5.src="images/menu/but05_off.jpg"


}

function move_in(img_name,img_src) {
	document[img_name].src=img_src;
	}

function move_out(img_name,img_src) {
	document[img_name].src=img_src;
	}