function getBrowserWidth(){
		if (window.innerWidth){
			return window.innerWidth;}	
		else if (document.documentElement && document.documentElement.clientWidth != 0){
			return document.documentElement.clientWidth;	}
		else if (document.body){return document.body.clientWidth;}		
			return 0;
	}

function dynamicLayout(){
	var browserWidth = getBrowserWidth();

	if (browserWidth < 250){
		changeLayout("zero");
	}
	if ((browserWidth >= 250) && (browserWidth < 500)){
		changeLayout("ichi");
	}
	if ((browserWidth >= 500) && (browserWidth < 900)){
		changeLayout("ni");
	}
	if ((browserWidth >= 900) && (browserWidth < 1200)){
		changeLayout("san");
	}
	if (browserWidth >= 1200){
		changeLayout("shi");
	}
}


function changeLayout(description){
   var i, a;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++){
	   if(a.getAttribute("title") == description){a.disabled = false;}
	   else if(a.getAttribute("title") != "default"){a.disabled = true;}
   }
}

	function addEvent( obj, type, fn ){ 
	   if (obj.addEventListener){ 
	      obj.addEventListener( type, fn, false );
	   }
	   else if (obj.attachEvent){ 
	      obj["e"+type+fn] = fn; 
	      obj[type+fn] = function(){ obj["e"+type+fn]( window.event ); } 
	      obj.attachEvent( "on"+type, obj[type+fn] ); 
	   } 
	} 
	
	addEvent(window, 'load', dynamicLayout);
	addEvent(window, 'resize', dynamicLayout);



var intvl = 30 ;
var start = 1 ;
var cnt ;
function autoscroll() {
	scrollBy(0, 1) ;
	cnt = setTimeout('autoscroll()', intvl) ;
}

function stopscroll() {
	clearTimeout(cnt) ;
	scrollTo(0,0) ;
}

function startscroll() {
	if (start) {
		clearTimeout(cnt) ;
		start = 0 ;
	} else {
		cnt = setTimeout('autoscroll()', 1) ;
		start = 1 ;
	}
}