function open_photo(id) {
				window.open('photo.html?action=detail&id='+id,'photo','width=500, height=540, scrollbars=yes');
			}

	var img=new Array();
	img[0]=new Image(),img[0].src="/images/top/menu-about-1.gif";
	img[1]=new Image(),img[1].src="/images/top/menu-textile-1.gif";
	img[2]=new Image(),img[2].src="/images/top/menu-materials-1.gif";
	img[3]=new Image(),img[3].src="/images/top/menu-realestate-1.gif";
	img[4]=new Image(),img[4].src="/images/top/menu-overseas-1.gif";
	img[5]=new Image(),img[5].src="/images/top/menu-recruit-1.gif";
	img[6]=new Image(),img[6].src="/images/top/menu-contact-1.gif";
	img[7]=new Image(),img[7].src="/images/top/menu-map-1.gif";


	var img2=new Array(); 
	img2[0]=new Image(),img2[0].src="/images/top/menu-about-2.gif";
	img2[1]=new Image(),img2[1].src="/images/top/menu-textile-2.gif";
	img2[2]=new Image(),img2[2].src="/images/top/menu-materials-2.gif";
	img2[3]=new Image(),img2[3].src="/images/top/menu-realestate-2.gif";
	img2[4]=new Image(),img2[4].src="/images/top/menu-overseas-2.gif";
	img2[5]=new Image(),img2[5].src="/images/top/menu-recruit-2.gif";
	img2[6]=new Image(),img2[6].src="/images/top/menu-contact-2.gif";
	img2[7]=new Image(),img2[7].src="/images/top/menu-map-2.gif";

	
	function rst(b){
      if ( document.images ){
            document.images["img_"+b].src = img[b].src ;
      }
    }
    function chg(a){
      if ( document.images ){
             document.images["img_"+a].src = img2[a].src ;
      }
    }
    
var pop_count = new Array();
function popup(id) {
  if(pop_count[id]) {
    pop_count[id]++;
  } else {
    pop_count[id] = 1;
  }
  if(pop_count[id] > 0) {
      document.getElementById(id).style.display = 'block';
  }
}
function popdown(id) {
  pop_count[id]--;
  if(pop_count == 0) {
      setTimeout("poptimer('"+id+"')",100);
  }
}
function poptimer(id)
{
  if(pop_count[id] <= 0) {
      document.getElementById(id).style.display = 'none';
  }
}