/* JavaScript to interpolate random images into a page. */
var ic = 29;     /* Number of alternative images - adjust this for number of images in the directory */
	/* function to open a link in an external window replacing target="_blank" for strict XHTML 1.0 complicance
 * call using rel="external" in place of target.
 * sourced from http://forum.statcounter.com/vb/archive/index.php/t-24590.html
*/

function externalLinks() { 

	if (!document.getElementsByTagName) return; 

	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		var relvalue = anchor.getAttribute("rel");

		if (anchor.getAttribute("href")) {
			var external = /external/;
			var relvalue = anchor.getAttribute("rel");
			if (external.test(relvalue)) { anchor.target = "_blank"; }
		} 
	}
} 
window.onload = externalLinks;

function pickRandom() {
	/* generate a random number between 0 and ic */
	var range = ic;
	if (Math.random) {
		return Math.round(Math.random() * (range-1));
	}
	else {
		var now = new Date();
		return (now.getTime() / 1000) % range;
	}
}

function randomimage() {

	/* JavaScript to interpolate random images into a page. */
	/* Write out an IMG tag, using a randomly-chosen image name	*/
	
	var choice = pickRandom();
	var astring = '<img src="Assets/PNGImages/';	
	astring += choice;
	astring += '.png" height="180" width="240" border="none" align="right" align="texttop"> ';
	document.write (astring);	
}


function MM_reloadPage(init) {
  /*reloads the window if Nav4 resized */
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) history.go(0);
}

MM_reloadPage(true);