function img_ch(ad,fl){
	document.getElementById(ad).src = fl;
}

function pg_ld(pg){
	images = new Array();

	images[0] = new Image();
	images[1] = new Image();
	images[2] = new Image();
	images[3] = new Image();
	images[4] = new Image();
	images[5] = new Image();
	images[6] = new Image();
	images[7] = new Image();
	images[8] = new Image();
	images[9] = new Image();
	images[10] = new Image();

	images[0].src = "image/navi/1_1.gif";
	images[1].src = "image/navi/2_1.gif";
	images[2].src = "image/navi/3_1.gif";
	images[3].src = "image/navi/4_1.gif";
	images[4].src = "image/menu/1_1.gif";
	images[5].src = "image/menu/2_1.gif";
	images[6].src = "image/menu/3_1.gif";
	images[7].src = "image/menu/4_1.gif";
	images[8].src = "image/menu/5_1.gif";
	images[9].src = "image/admin/acc_1.gif";
	images[10].src = "image/admin/news_1.gif";
}

function win_op(url){
		opwin = window.open(url);
		opwin.focus();
}

function win_op_s(url){
		opwin = window.open(url,"monitor","width=615,height=590,resizable=yes");
		opwin.focus();
}

function win_pop(url,width,height){
	opwin = window.open(url + "_" + width + "_" + height,"yanonews","width=" + width + ",height=" + height + ",resizeble=yes");
	opwin.focus();
}

function win_close(){
	 window.close();
}

function disp_ch(ad){
	if(document.getElementById("bk_a_" + ad).style.display == "block"){
		document.getElementById("bk_a_" + ad).style.display = "none";
	}else{
		if((document.getElementById("bk_a_" + ad).style.display == "none") || (document.getElementById("bk_a_" + ad).style.display == "")){
			document.getElementById("bk_a_" + ad).style.display = "block";
		}else{
			document.getElementById("bk_a_" + ad).style.display = "none";
		}
	}
}