function photo_win(img_path,img_alt){
  var str;
  str = 'resizable=yes,width=100,height=100,screenX=100,screenY=100,left=100,top=100';
  window.open("./showpic.php?img_path="+img_path+"&img_alt="+img_alt, "show", str); 
}

function table_win(table_path,tab_width,tab_height){
  var str;
  var top_pos=screen.width/2-tab_width/2;
  var left_pos=screen.height/2-tab_height/2-100;

  str = 'scrollbars=yes,resizable=yes,width='+tab_width+',height='+tab_height+',screenX='+top_pos+',screenY='+left_pos+',left='+top_pos+',top='+left_pos;
  window.open(table_path,"show_table",str); 
}

function DecCnt(f){if (f.parentNode.delta.value>1)f.parentNode.delta.value--;}
function IncCnt(f){ f.parentNode.delta.value++; }