/* Start Rollover Effect */

var iPath = 'images/navigation/index/';
var iExt = 'gif';
var loaded = false;
var suffix = new Array('off','over');

function preLoad()
	{
	if(document.images)
		{
		var argLen = arguments.length;
		for(var i = 0; i < argLen; i++)
			{
			var arg = arguments[i];
			var sufLen = suffix.length;
			for(j = 0; j < sufLen; j++)
				{
				var suf = suffix[j];
				iNew = arg + '_' + suf + ' = new Image();';  eval(iNew);
				iSrc = arg + '_' + suf + '.src = \'' + iPath + arg + '_' + suf + '.' + iExt + '\';';  eval(iSrc);
				}
			}   
			loaded = true;
		}
	}

function rollOver(iName,iState)
	{
	if(document.images && loaded)
		{
		document.images[iName].src = eval('icon_' + iState + '.src');
		}
	}

function rollOverMenu(iName,iState)
	{
	if(document.images && loaded)
		{
		document.images[iName].src = eval( iName + '_' + iState + '.src');
		}
	}

window.onLoad = preLoad('rendlake','placetostay','findevent');

/* End Rollover Effect */

/* Start Image Rotation */
		var interval = 10; // delay between rotating images (in seconds)
		var random_display = 1; // 0 = no, 1 = yes
		interval *= 1000;

		var image_index = 0;
		image_list = new Array();
		image_list[image_index++] = new imageItem("images/index/head/01.jpg");
		image_list[image_index++] = new imageItem("images/index/head/02.jpg");
		image_list[image_index++] = new imageItem("images/index/head/03.jpg");
		image_list[image_index++] = new imageItem("images/index/head/04.jpg");
		image_list[image_index++] = new imageItem("images/index/head/05.jpg");
		image_list[image_index++] = new imageItem("images/index/head/06.jpg");
		image_list[image_index++] = new imageItem("images/index/head/07.jpg");
		image_list[image_index++] = new imageItem("images/index/head/08.jpg");
		image_list[image_index++] = new imageItem("images/index/head/09.jpg");
		image_list[image_index++] = new imageItem("images/index/head/10.jpg");
		image_list[image_index++] = new imageItem("images/index/head/11.jpg");
		image_list[image_index++] = new imageItem("images/index/head/12.jpg");
		image_list[image_index++] = new imageItem("images/index/head/13.jpg");
		image_list[image_index++] = new imageItem("images/index/head/14.jpg");
		image_list[image_index++] = new imageItem("images/index/head/15.jpg");
		image_list[image_index++] = new imageItem("images/index/head/16.jpg");
		image_list[image_index++] = new imageItem("images/index/head/17.jpg");
		image_list[image_index++] = new imageItem("images/index/head/18.jpg");
		var number_of_image = image_list.length;
		function imageItem(image_location) {
		this.image_item = new Image();
		this.image_item.src = image_location;
		}
		function get_ImageItemLocation(imageObj) {
		return(imageObj.image_item.src)
		}
		function generate(x, y) {
		var range = y - x + 1;
		return Math.floor(Math.random() * range) + x;
		}
		function getNextImage() {
		if (random_display) {
		image_index = generate(0, number_of_image-1);
		}
		else {
		image_index = (image_index+1) % number_of_image;
		}
		var new_image = get_ImageItemLocation(image_list[image_index]);
		return(new_image);
		}
		function rotateImage(place) {
		var new_image = getNextImage();
		document[place].src = new_image;
		var recur_call = "rotateImage('"+place+"')";
		setTimeout(recur_call, interval);
		}
		
/* End Image Rotation */