function hidediv( id ) {
	 if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById( id ).style.visibility = 'hidden';
	 } else {
		if (document.layers) { // Netscape 4
			document.id.visibility = 'hidden';
		  } else { // IE 4
			  document.all.id.style.visibility = 'hidden';
		}
	 }
}

function showdiv( id ) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById( id ).style.visibility = 'visible';
	} else {
		if (document.layers) { // Netscape 4
			document.id.visibility = 'visible';
		} else { // IE 4
			document.all.id.style.visibility = 'visible';
		}
	}
}

function imageRollover() {
	 alert('test');

	 mouseover_image_divs = 'test';

	 mouseover_suffix = '_mo';

	 var image_div = document.getElementById( mouseover_image_divs );
	 var images = image_div.getElementsByTagName('img');
	 alert('Image Len: '+ images.length);

	 for (var i=0; i < images.length; i++) {
		  alert('Image: '+ images[i].src);
	 }
}

var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOvers = new Array();
var mouseOuts = new Array();

//window.onload = rolloverInit;

function rolloverInit() {
	 if (!W3CDOM) return;

	 mouseover_elements = new Array( 'mouseover1', 'mouseover2' );

	 var imgs = new Array();

	 n=0;
	 for (var x=0; x < mouseover_elements.length; x++) {
		  var element = document.getElementById( mouseover_elements[x] );

		  //alert('Element: '+ element);
		  if ( element != null ) {
			   var element_images = element.getElementsByTagName('img');

			   for (var y=0; y < element_images.length; y++) {
					imgs[n] = element_images[y];

					n++;
			   }
		  }
	 }

	 //alert('Total Images: '+imgs.length);
	 for (var i=0; i < imgs.length; i++) {
		  imgs[i].onmouseover = mouseGoesOver;
		  imgs[i].onmouseout = mouseGoesOut;

		  var suffix = imgs[i].src.substring( imgs[i].src.lastIndexOf('.') );

		  mouseOuts[i] = new Image();
		  mouseOuts[i].src = imgs[i].src;

		  mouseOvers[i] = new Image();
		  mouseOvers[i].src = imgs[i].src.substring( 0,imgs[i].src.lastIndexOf('.') ) + "_mo" + suffix;

		  imgs[i].number = i;
		  imgs[i].show_text_element = imgs[i].id+'_text';
	 }
}

function mouseGoesOver() {
	this.src = mouseOvers[this.number].src;
	hidediv( 'popup_text_default' );
	showdiv( this.show_text_element );
}

function mouseGoesOut() {
	this.src = mouseOuts[this.number].src;
	hidediv( this.show_text_element );
	showdiv( 'popup_text_default' );
}

function swapImage( obj, src ) {
	  obj.src = src;
}

function getMouseOverImage( img ) {
	 var suffix = img.src.substring( img.src.lastIndexOf('.') );

/*
	 if ( swapImageFlag == 'on' ) {
		if ( img.src.search('_mo') == -1 ) {
			var mouseover_image = img.src.substring( 0,img.src.lastIndexOf('.') ) + "_mo" + suffix;
		}
	 } else {
		if ( img.src.search('_mo') != -1 ) {
			var mouseover_image = img.src.replace('_mo','');
		}
	 }
*/

	if ( img.src.search('_mo') == -1 ) {
		var mouseover_image = img.src.substring( 0,img.src.lastIndexOf('.') ) + "_mo" + suffix;
	} else {
		var mouseover_image = img.src.replace('_mo','');
	}

	 if ( mouseover_image.search('.') != -1 ) {
		return mouseover_image;
	 }

	 return img.src;
}

function swapImage1() {
	 img = document.getElementById( 'arrow_1' );
	 swapImage( img, getMouseOverImage( img ) );

	 setTimeout( 'swapImage2();' , swapImageDelay );
}

function swapImage2() {
	 img = document.getElementById( 'arrow_2' );
	 swapImage( img, getMouseOverImage( img ) );

	 setTimeout( 'swapImage3();', swapImageDelay );
}

function swapImage3() {
	 img = document.getElementById( 'arrow_3' );
	 swapImage( img, getMouseOverImage( img ) );

	 setTimeout('swapImage4();', swapImageDelay );
}

function swapImage4() {
	 img = document.getElementById( 'arrow_4' );
	 swapImage( img, getMouseOverImage( img ) );

	 if ( swapImageFlag == 'on' ) {
		  swapImageFlag = 'off';
		  setTimeout('swapImage1();', swapImageDelay );
	 } else {
		  swapImageFlag = 'on';
	 }
}


var swapImageFlag = 'on';
var swapImageDelay = 75;

function arrowAnimationRepeat() {
	  setTimeout("arrowAnimation()", 7000 );
}

function arrowAnimation() {
	 //swapImage1();

	 //Repeat Indefiniately.
	 setTimeout("swapImage1()", 2000 );

	 arrowAnimationRepeat();
}

var newwindow

function popitup(url , title) {
	if (newwindow && !newwindow.closed) {
		newwindow.focus(); newwindow.document.clear()
	} else {
		newwindow=window.open('','','width=640,height=480,resizable=1') }
		newwindow.document.writeln('<head> <title>' + title + '<\/title> <\/head> <body bgcolor=\"black\" onload="window.resizeTo(document.images[0].width+30, document.images[0].height+60)"> <center>');
		newwindow.document.writeln('<img src=' + url + ' title=\"' + title + '\" alt=\"' + title + '\" >');
		newwindow.document.writeln('<\/center> <\/body> <\/html>');
		newwindow.document.close();
	}

function tidy() {
	if (newwindow && !newwindow.closed) {
		newwindow.close();
	}
}

function populateSelectBox( select_box_obj, options, selected, include_blank) {
	clearSelect(select_box_obj);

	if ( include_blank == true ) {
		select_box_obj.options[0] = new Option('--', 0);

		var i=1;
	} else {
		var i=0;
	}

	if ( options != null && options != '') {
		for ( x in options ) {
			select_box_obj.options[i] = new Option(options[x], x);

			if ( selected instanceof Array ) {
				if ( array_contains(selected, x) ) {
					select_box_obj.options[i].selected = true;
				}
			} else {
				if ( x == selected ) {
					select_box_obj.options[i].selected = true;
				}
			}

			var i = i + 1;
		}
	}

	return true;
}

function clearSelect(src_obj) {
	if ( src_obj != null ) {
		for (i=0; i < src_obj.options.length; i++) {
			src_obj.options[i] = null;
			i=i - 1;
		}
	}
}