function Resize(){

	var minW=903;//swfの最小サイズ

	var currentWidth;

	if(document.all){

  		currentWidth = document.documentElement.clientWidth;

	}else if(document.layers || document.getElementById){

  		currentWidth=innerWidth;

	}

	if(currentWidth<minW){

		document.getElementById("mainFla").style.width = minW+"px";

		document.getElementById("index").style.width = minW+"px";

	}else{

		document.getElementById("mainFla").style.width = "100%";

		document.getElementById("index").style.width = "100%";

	}

}