$(document).ready(function(){
	
	//$.preloadImages.add(['/dev/public/images/blog_rollover.gif']);
	//alert('hello');
	
	var imageRoot = 'http://www.surfpioneer.com/public/images/';
	
	$.mainNavItems = new Array('home','surfForecasts','surfCams','environment','resources','blog');
	$.mainNavRollovers = new Array();
	
	for (var i=0; i < $.mainNavItems.length; i++) {
	
		$.mainNavRollovers[i] = imageRoot + $.mainNavItems[i] + "_rollover.gif"; 
	
	}
	
	//setHighlightedSection("top","home");
	
	
});

function setHighlightedSection(level,selectedItem) {

	if (level == "top") {
	
		//alert (selectedItem);
		var total = $.mainNavItems.length;
		items = $.mainNavItems;
		
		for (var i=0; i < items.length; i++) {
			
			//alert (items[i]);
			if (items[i] == selectedItem) {
			
				//alert ('match at ' + i);
				
				// select it
				 var rollover = $.mainNavRollovers[i];
				//alert ('rollover is ' + rollover);
				 
				 var btn = "#" + $.mainNavItems[i] + "Btn";
				 $(btn).attr("src",rollover);
			
			}
		
		}
	
	}

}

jQuery.preloadImages = function()
{
 	alert('hello');
	for(var i = 0; i<arguments.length; i++)
	 {
		jQuery("<img>").attr("src", arguments[i]);
	 }
}

function changeImage(srcImageID, newImagePath,newWidth,newHeight) {

	var theID = "#" + srcImageID;
	
	//alert ('id is ' + theID);
	
	$(theID).attr("src",newImagePath);
	if (newWidth) {
		$(theID).attr("width", newWidth);
	}
	if (newHeight) {
		$(theID).attr("height", newHeight);
	}

}