var nWidth="", nHeight="";

function init_small_pic(e1,e2,e3) {
  nWidth=200;
  nHeight=200;
  if(window.document.main_pic1) show2(window.document.main_pic1);
  if(window.document.main_pic2) show2(window.document.main_pic2);
  if(window.document.main_pic3) show2(window.document.main_pic3);

  refresh();
  	
}


function init_resize_pic() {
  nWidth=300;
  nHeight=300;
  if(window.document.main_pic)
  	show(window.document.main_pic);
}

function init_pic_gallery() {
  nWidth=400;
  nHeight=400;
  if(window.document.main_pic)
  	show(window.document.main_pic);
}


function show2(obj,w,h)
{
  var w=nWidth;
  var h=nHeight;
  if(w=="") w = 250;
  if(h=="") h = 250;
  Download(obj);
  var pic = "";
  if(window.document.main_pic) pic = window.document.main_pic;
  else pic=obj;
  pic.src = obj.src;
  pic.width = obj.width;
  pic.height = obj.height;
  setImageSize(pic,w,h);
}


function show(obj,w,h)
{
  var w=nWidth;
  var h=nHeight;
  if(w=="") w = 250;
  if(h=="") h = 250;
  Download(obj);
  var pic = "";
  if(window.document.main_pic) pic = window.document.main_pic;
  else pic=obj;
  pic.src = obj.src;
  pic.width = obj.width;
  pic.height = obj.height;
  setImageSize(pic,w,h);
}

function show(obj){
  if(obj.src !=''){
    Download(obj);
    var pic = window.document.main_pic;
    pic.src = obj.src;
    pic.width = obj.width;
    pic.height = obj.height;
    setImageSize(pic);
  }
}


// showing title and alt properties //
function show_all(obj){
  if(obj.src !=''){
    Download(obj);
    var pic = window.document.main_pic;
    pic.src = obj.src;
    pic.alt = obj.alt;
    pic.title = obj.alt;
    pic.width = obj.width;
    pic.height = obj.height;
    setImageSize(pic);
  }
}

function Download(img) {
 if (img.complete) { return true; }
 else setTimeout("Download()", 1000);
}
function setImageSize(pic,w,h)
{
  if(pic.width >w){
    var per = ((pic.width-w)/pic.width)*100;
    var per2= (per/100)*pic.height;
    pic.width = w;
    pic.height = pic.height -per2;
  }
  if(pic.height >h){
    var per = ((pic.height-h)/pic.height)*100;
    var per2= (per/100)*pic.width;
    pic.height = h;
    pic.width = pic.width -per2;
  }
}