//ウインドウサイズ取得
function GetWindowSize(type){
	switch(type){
		case "width":
			if(document.all){
				return(document.body.clientWidth);
			}else if(document.layers){
				return(innerWidth);
			}else{
				return(window.outerWidth);
			}
		break;
		case "height":
			if(document.all){
				return(document.body.clientHeight);
			}else if(document.layers){
				return(innerHeight);
			}else{
				return(-1);
			}
		break;
		default:
			return(-1);
		break;
	}
}

function getwidth(w){
var wid = GetWindowSize(w);
if(wid > 950){
document.getElementById('logo').style.background = "url(../../images/logo.jpg) 99% 0 no-repeat";
}else{
document.getElementById('logo').style.background = "none";

}
}

function time(){
setInterval("getwidth('width')",2000);
}