function tabs_init() {
	var tabsPl = document.getElementById('tabs');
	var allTabs = tabsPl.getElementsByTagName('li');
	for(var i=0; i < allTabs.length; i++) {
		var tab = allTabs[i];
		tab.onmousedown = function(){
			showw(this);
		}
	}
}

function showw(el) {
	hidee();
	el.className = 'active';
	id = el.title.replace(/ /g, '-').toLowerCase()
	var place = document.getElementById(id);
	place.style.display='block';
}

function hidee() {
	var tabs = [];
	var tabsPl = document.getElementById('tabs');
	var allTabs = tabsPl.getElementsByTagName('li');
	for(var i =0; i < allTabs.length; i++) {
		var el = allTabs[i];
		el.className = '';
		tabs.push(el.title.replace(/ /g, '-').toLowerCase());
	}
	for(var i =0; i < tabs.length; i++) {
		var el = document.getElementById(tabs[i]);
		el.style.display='none';
	}
}