var agt=navigator.userAgent.toLowerCase();
function printArticle() {
	var prn = new Image();
	
	if (window.print) {
		setTimeout('window.print();',200);
	}
	else if (agt.indexOf("mac") != -1) {
		alert("Press 'Cmd+p' on your keyboard to print article.");
	}
	else {
		alert("Press 'Ctrl+p' on your keyboard to print article.")
	}
}

function get_over_src(src)   { 
return '/i/'+ src.replace(/.[a-zA-Z]{3}$/, "").replace (/(http.*)\/i\//, "") + '_over.' + src.replace(/.*\./, ""); 
}
function get_normal_src(src) { return '/i/' + src.replace(/_over/, "").replace (/(http.*)\/i\//, ""); }

function img_over(img) { img.src = get_over_src(img.src); }
function img_out(img)  { img.src = get_normal_src(img.src); }

function enter_over(img){
 document.getElementById('ienter').src = get_over_src(document.getElementById('ienter').src);
 img.src = get_over_src(img.src);
}

function enter_out(img){
 document.getElementById('ienter').src = get_normal_src(document.getElementById('ienter').src);
 img.src = get_normal_src(img.src);
}

preload_images = function() 
{
  var img = new Object(); 

  arguments = preload_images.arguments;

  for( i=0; i < arguments.length; i++) 
  {
    img[i]     = new Image();
    img[i].src = arguments[i];
  }

  i = 0;
  images = document.getElementsByTagName('img')
  while( image = images[i++] )
    if( image.className.match(/over/, "") )
    {
      image.onmouseover = function() { this.src = get_over_src(this.src); } 
      image.onmouseout  = function() { this.src = get_normal_src(this.src); }  
    } 
}

function preload_menu() { preload_images('/i/menu01_over.gif','/i/menu02_over.gif', '/i/menu03_over.gif','/i/menu04_over.gif','/i/menu05_over.gif'); }