function collapse_divs(divs) {
	for (var i = 0; i < divs.length; ++i) {
		var div = document.getElementById(divs[i][0]);
		if(div && divs[i][1]>5) div.style.display = 'none';
	}
};
function div_view(obj_name) {
	var obj = document.getElementById(obj_name);
	if (obj.style.display=="none") obj.style.display = "block";
	else obj.style.display = "none";
};
function replace_href(_links) {
	for (var i = 0; i < _links.length; ++i) {
		var _link = document.getElementById(_links[i][0]);
		if (_link) _link.href = _links[i][1];
	}
};
function popup(url) {
	win = window.open(url, Math.round(Math.random()*10000), "status=no,scrollbars=no,resizable=yes");
	win.focus();
};