function zooming(dd){
	if(popck==2 || popck==3) return false;
	var zoomold=zoom;
	zoom=dd;
	var minno=zoom-10;
	var maxno=zoom-10+20;
	if (minno<40){
		minno=40;
		var zoombard='-<img src="./img/minuslight.gif">';
		}
	else{
		var zoombard='-<a onclick="zooming(\''+minno+'\')"><img src="./img/minus.gif"></a>';
		}
	for (i=40;i<=100;i=i+10){
		if (i==zoom){
			zoombard=zoombard+'<img src="./img/bar.gif">';
			}
		else{
			zoombard=zoombard+'<a onclick="zooming(\''+i+'\')"><img src="./img/line.gif"></a>';
			}
		}
	if (maxno>100){
		maxno=100;
		zoombard=zoombard+'<img src="./img/pluslight.gif">+';
		}
	else{
		zoombard=zoombard+'<a onclick="zooming(\''+maxno+'\')"><img src="./img/plus.gif"></a>+';
		}
	$('zoombar').innerHTML=zoombard;
	$('jpg').innerHTML='<img src="./img/wmap4_'+zoom+'.jpg">';
	if ($('ami').style.visibility=='visible') $('ami').innerHTML='<img src="./img/ami_'+zoom+'.gif">';
	winsizeget();
	newx=Math.floor(newx+(((winx+252)/2)-newx)-((((winx+252)/2)-newx)*zoom/zoomold));
	newy=Math.floor(newy+(( winy     /2)-newy)-((( winy     /2)-newy)*zoom/zoomold));
	$('map').style.left=newx+'px';
	$('map').style.top =newy+'px';
	changeImagesize();

	/*
	for (i=0;i<clipno;i++){
		$('clip'+i).style.left=((clipx[i]*zoom/100)-11)+'px';
		$('clip'+i).style.top =((clipy[i]*zoom/100)-34)+'px';
		$('shadow'+i).style.left=((clipx[i]*zoom/100)-11)+'px';
		$('shadow'+i).style.top =((clipy[i]*zoom/100)-34)+'px';
		}
	*/
	for (i=0;i<alliconno;i++){
		$('icon'+i).style.left=((iconx[i]*zoom/100)-6)+'px';
		$('icon'+i).style.top =((icony[i]*zoom/100)-6)+'px';
		}
	z=(zoom/10)-4;
	$('shadow').innerHTML='<img id="shadowimg" src="./img/shadow5_'+zoom+'.png">';
	$('base').innerHTML='<img src="./img/meisanwbg_'+zoom+'.gif">';
	for (i=1;i<meisanx.length;i++){
		if (i==20 || i==21 || i==22 || i==23 || i==25) continue;
		tx=meisanx[i][z];
		ty=meisany[i][z];
		$('lay'+i).style.left=tx+'px';
		$('lay'+i).style.top=ty+'px';
		if ($('lay'+i).innerHTML!=='') $('lay'+i).innerHTML='<img src="./img/meisanw'+i+'_'+zoom+'.gif">';
		}
	changeImage('shadowimg');
	}