/*tabchange*/
function Swich(id){
	var menu = document.getElementById(id);
	var dsp;
	if(!menu)return;
	hideAll();
	if(menu.style.display=="none"){
		dsp = "block";
	}else{
		dsp = "none";
	}
	menu.style.display=dsp;
}
function hideAll(){
	var i;
	var tagname ="div";
	var classname = "tabs";
	var tags = document.getElementsByTagName(tagname);
	if(!tags)return;
	for(i=0;i<tags.length;i++){
		if(tags[i].className==classname){
			tags[i].style.display = "none";
		}
	}
}

function addOnloadEvent(fnc){
	if ( typeof window.addEventListener != "undefined" )
		window.addEventListener( "load", fnc, false );
	else if ( typeof window.attachEvent != "undefined" ) {
		window.attachEvent( "onload", fnc );
	}
	else {
		if ( window.onload != null ) {
			var oldOnload = window.onload;
			window.onload = function ( e ) {
				oldOnload( e );
				window[fnc]();
			};
		}
		else
		window.onload = fnc;
	}
}