function ImageResize(){
	if(document.all){
		winW = document.body.clientWidth*0.9;
		winH = document.body.clientHeight*0.9;
	}else if(document.getElementById){
		winW = window.innerWidth*0.9;
		winH = window.innerHeight*0.9;
	}
	imgW=document.getElementById("image").width;
	imgH=document.getElementById("image").height;
	ratioW=winW/imgW;
	ratioH=winH/imgH;
	if(ratioW<1||ratioH<1){
		if(ratioW>=ratioH){
			if(document.all){
				document.all("image").style.width = imgW*ratioH;
				document.all("image").style.height = winH;
			}else if(document.getElementById){
				document.getElementById("image").style.width = imgW*ratioH;
				document.getElementById("image").style.height = winH;
			}
		}else if(ratioW<ratioH){
			if(document.all){
				document.all("image").style.width = winW;
				document.all("image").style.height = imgH*ratioW;
			}else if(document.getElementById){
				document.getElementById("image").style.width = winW;
				document.getElementById("image").style.height = imgH*ratioW;
			}
		}
	}
}

window.onresize = ImageResize;
window.onload = ImageResize;