// JavaScript Document
var compare = new Array();

$(document).ready(function() {
	$(".compare").click(function() {
									 if ($(this).attr("src") == path+"images/compare.jpg") {
										if (compare.length < 3) {
											$(this).attr("src", path+"images/compare_down.jpg"); 
											addToArray($(this).attr("alt"));
										}
									 }
									 else {
										$(this).attr("src", path+"images/compare.jpg"); 
										removeFromArray($(this).attr("alt"));
									 }
									 //alertCompare();
								 });
});


function addToArray(val) {
	compare[compare.length] = val;
}

function removeFromArray(val) {
		for (i = 0; i < compare.length; i++) {
			if (compare[i] == val) {
				compare.splice(i, 1);	
			}
		}
}


function alertCompare(){
	for (i = 0; i < compare.length; i++) {
		alert(compare[i]);
	}		
}


function clearCompare() {
	compare = new Array();
	$(".compare").each(function() {
								 $(this).attr("src", path+"images/compare.jpg"); 
								 });
}		

function compareNow() {
	window.open(path+'compare.php?id='+compare.toString());	
}