function swapImg(image,st){
eval('document.' + image + '.src = "images/n_' + image + st + '.gif"');
}

function navJump(){
curritem = document.navform.navsel.options[document.navform.navsel.selectedIndex].value;
if (curritem == "x"){
	document.navform.navsel.selectedIndex = 0;
	}
else{
	document.navform.navsel.selectedIndex = 0;
	top.location.href = curritem;
	}
}