function currency() {
	var cur = document.getElementById("cur").value;
	var page = location.href;
	var oldPage = location.href;
	if (page.indexOf("?") > -1) {
		page = page + "&actcur=" + cur;
	} else {
		page = page + "?actcur=" + cur;
	}
	changePage(page);
}

function changePage(page) {
	location.href = page;
}

var oldValue = "";

function enter(obj) {
	if (oldValue == "")
		oldValue = obj.value;
	if (obj.value == oldValue)
		obj.value = "";
}

function release(obj) {
	if (obj.value == '')
		obj.value = oldValue;
}

function selectTab(tab, from) {
	for(i=0;i<from;i++){
		tabObj=document.getElementById('tab'+i);
		if (i==tab)
			tabObj.style.background='#fff';
		else
			tabObj.style.background='#eee';
		obj=document.getElementById('hcTab'+i);
		if (i==tab)
			obj.style.visibility='visible';
		else
			obj.style.visibility='collapse';
	}
}