function clrSearch(obj, text) {
	if (obj.value == text) {
		obj.value = "";
	}
}

function backSearch(obj, text) {
	if (!obj.value) {
		obj.value = text;
	}
}


var last_tab_id;
var classname = "className";
if (navigator.appName == "Netscape") classname = "class";

function loadFirstTab(tab_id) {
	last_tab_id = tab_id;
	document.getElementById(tab_id).setAttribute(classname,"menutab_active");
	document.getElementById(tab_id+"_line").style.visibility = "visible";
}
function menuTabCheker(tab_id) {
	if (document.getElementById(tab_id).getAttribute(classname) != "menutab_active") {
		document.getElementById(tab_id).setAttribute(classname,"menutab_active");
		document.getElementById(last_tab_id).setAttribute(classname,"menutab");

		document.getElementById(tab_id+"_line").style.visibility = "visible";		
		document.getElementById(last_tab_id+"_line").style.visibility = "hidden";
		last_tab_id = tab_id;
	}
}