function tabs_toggle(tab){
	tab=tab.replace(new RegExp(".+#tab_"),"");
	if(document.getElementById("tabno_"+tab)==null) tab=1;
	location.href="#";
	for(var i=1;i<=100;i++){
		if(i==tab){
			document.getElementById("tabno_"+i).className="selected";
			document.getElementById("tab_"+i).style.display="block";
		}else{
			if(document.getElementById("tabno_"+i)!==null) document.getElementById("tabno_"+i).className=null;
			if(document.getElementById("tab_"+i)!==null) document.getElementById("tab_"+i).style.display="none";
		}
	}
}