var menusubspaceleft = new Image();
menusubspaceleft.src = dev_folder + "/css/img/menu-subspace-l.png";
var menusubspaceright = new Image();
menusubspaceright.src = dev_folder + "/css/img/menu-subspace-r.png";
var menusubspacebg = new Image();
menusubspacebg.src = dev_folder + "/css/img/menu-sub-1.png";


function highlightSubmenuitem(sub, high) {
	var obj = null;
	obj = document.getElementById("submenu" + String(parseInt(sub)));
	if (obj) {
		if (high) {
			obj.style.backgroundImage="url(" + dev_folder + "/css/img/menu-sub-1.png)";
		} else {
			obj.style.backgroundImage="none";
		}
	}
	obj = document.getElementById("submenu" + String(parseInt(sub)) + "l");
	if (obj) {
		if (high) {
			obj.style.backgroundImage="url(" + dev_folder + "/css/img/menu-subspace-l.png)";
		} else {
			obj.style.backgroundImage="none";
		}
	}
	obj = document.getElementById("submenu" + String(parseInt(sub)) + "r");
	if (obj) {
		if (high) {
			obj.style.backgroundImage="url(" + dev_folder + "/css/img/menu-subspace-r.png)";
		} else {
			obj.style.backgroundImage="none";
		}
	} else {
		obj = document.getElementById("submenu" + String(parseInt(sub) + 1) + "l");
		if (obj) {
			if (high) {
				obj.style.backgroundImage="url(" + dev_folder + "/css/img/menu-subspace-r.png)";
			} else {
				obj.style.backgroundImage="none";
			}
		}
	}
}