// JavaScript Document
var elm;
function Img_view(flg,img_x,img_y) {
	elm=document.getElementById("app");
	if(flg==0){
		elm.style.left=img_x;
		elm.style.top=img_y;
		elm.style.visibility="visible";		
	}else{
		elm.style.visibility="hidden";		
	}
}
function BkLink(){
	if(window.history.length < 1){
		window.close();
	}else{
		window.history.back();
	}	
}
function openwin(){
	window.open("sample.html","_blank","width=500,height=500");
}