var salesroi = {
	checkSession: function(successHandler, errorHandler) {
		$.ajax({
			url: "/sessioncheck", 
			dataType: 'jsonp',
			success : successHandler,
			error : errorHandler
		});
	},
	initRollOverImages: function() {
		var image_cache = new Object();
		$("img.rollover").not("[src*='_over.']").each(function(i) {
			var imgsrc = this.src;
			var dot = this.src.lastIndexOf('.');
			var imgsrc_on = this.src.substr(0, dot) + '_over' + this.src.substr(dot, 4);
			image_cache[this.src] = new Image();
			image_cache[this.src].src = imgsrc_on;
			$(this).hover(
				function() { this.src = imgsrc_on; },
				function() { this.src = imgsrc; }
			);
		});
	},
	alwaysShowOverImage:function(elm) {
		elm.removeClass('rollover');
		elm.unbind();
		elm.each(function(i) {
			var imgsrc = this.src;
			var dot = this.src.lastIndexOf('.');
			var imgsrc_on = this.src.substr(0, dot) + '_over' + this.src.substr(dot, 4);
			this.src = imgsrc_on;
		});
	}
};