/* javascript functions for nodes.dk */

//function for preloading images
(function(jQuery) {
	var imgList = [];
	jQuery.extend({
		preload: function(imgArr, option) {
			var setting = jQuery.extend({
				init: function(loaded, total) {},
				loaded: function(img, loaded, total) {},
				loaded_all: function(loaded, total) {}
			}, option);
			var total = imgArr.length;
			var loaded = 0;
			
			setting.init(0, total);
			for(i=0; i<total; i++) {
				imgList.push(jQuery('<img src="'+imgArr[i]+'" />')
					.load(function() {
						loaded++;
						setting.loaded(this, loaded, total);
						if(loaded == total) {
							setting.loaded_all(loaded, total);
						}
					})
				);
			}
			
		}
	})
	;
})(jQuery);


//---------------------------------------
// erasing fields in blog comments
function eraseBlogPost(id) {
	var input = document.getElementById(id);
	var val = input.value;
	if (val == 'Navn' || val == 'E-mail' || val == 'Hjemmeside' || val == 'Din kommentar') {
		input.value='';
	}
}