tabbed = [800,1024,1152,1280];

function select_pict_res(){
   	var screen_width=window.innerWidth? window.innerWidth : Math.max(document.body.clientWidth, document.documentElement.clientWidth)
	for(var i=0;i<tabbed.length;i++)
		if(tabbed[i]>=screen_width)
			return tabbed[i];
	}

function getjpg(name){
	return "img/"+name+select_pict_res()+".jpg";
	}

function index_resize(){
	document.getElementById("index_body").style.backgroundImage=
		"url(\""+getjpg("index")+"\")";
	var menu=document.getElementById("menu");
	menu.style.top=280/1280*select_pict_res();
	menu.style.left=200/1280*select_pict_res();
	menu.style.fontSize=18/1280*select_pict_res()+"pt";
	}

function chat_resize(){
	document.getElementById("index_chat_body").style.backgroundImage=
		"url(\""+getjpg("not_index")+"\")";
	/*var menu=document.getElementById("menu");
	menu.style.top=280/1280*select_pict_res();
	menu.style.left=200/1280*select_pict_res();
	menu.style.fontSize=18/1280*select_pict_res()+"pt";*/
	}

function not_index_resize(){
   	var screen_width=window.innerWidth? window.innerWidth : Math.max(document.body.clientWidth, document.documentElement.clientWidth)
	document.getElementById("not_index_body").style.backgroundImage=
		"url(\""+getjpg("second")+"\")";
	document.getElementById("not_index_body").style.backgroundPosition=
        "0px "+142/1280*screen_width+"px";

    //alert(screen_width);
    //screen_width+=20;
	document.getElementById("not_index2").src=
		getjpg("not_index2");
	document.getElementById("not_index2").width=
	   	screen_width;
	document.getElementById("not_index2").height=
		460/1280*screen_width;
		                    
	var menu=document.getElementById("menu");
	menu.style.top=280/1280*select_pict_res();
	menu.style.left=200/1280*select_pict_res();
	menu.style.fontSize=18/1280*select_pict_res()+"pt";
		                    
	var menu=document.getElementById("maintext");
	menu.style.top=340/1280*select_pict_res();
	menu.style.left=450/1280*select_pict_res();
	menu.style.fontSize=16/1280*select_pict_res()+"pt";

	var img=document.getElementById("mainimage");
	img.width=700/1280*screen_width;
	img.style.marginBottom="1em";

	}