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

/* preloadimage */
Images = new Array();

// image url

Images[0]= "";
Images[1]= "";
Images[2]= "";
Images[3]= "";
Images[4]= "";
Images[5]= "";
Images[6]= "";
Images[7]= "";
Images[8]= "";
Images[9]= "";
Images[10]= "";


// execution

window.onload=function (){
// preloadimage
	for(i=0; i<Images.length; i++){
		ImageName = "Image"+ i;
		var ImageName = new Image();
		ImageName.src = Images[i];
	}
// pop up
var myrules = {
'.popup' : function(el){
var href = el.getAttribute('href');
if (href){
	el.onclick = function(){ window.open(href); return false;}
	el.onkeypress = function(){ window.open(href); return false;}
	}
}
};
Behaviour.register(myrules);
}

/* swap image */
function chimg(filename,target){
	document.images[target].src = filename;
}
function chimg2(filename,target){
	document.images[target].src = filename;
}

/* roll over */
function initRollOverImages() {
  var image_cache = new Object();
  $("img.swap").each(function(i) {
    var imgsrc = this.src;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_ov = this.src.substr(0, dot) + '_ov' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_ov;
    $(this).hover(
      function() { this.src = imgsrc_ov; },
      function() { this.src = imgsrc; });
  });
}

$(document).ready(initRollOverImages);