// cookies
function createCookie(name,value,days) {
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else
	    var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i<ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}

// bodyOnloader -- allows you to tact on a function to execute after body.onLoad()
function bodyOnloader(myFunction) {
    function document_onLoad() {}
    
    if(document.body.onload)
        document_onLoad = document.body.onload;
    if(navigator.userAgent.indexOf("MSIE") > 0)
        document.body.onload = myFunction;
    else
        document.body.onload = myFunction();
}

// loadLast -- allows you to specify a function that executes after the page is loaded (IE-only)
function loadLast(myFunction) {
    var isLoading = false;
	
    if(document.images && !isLoading) {
	    isLoading = true;
	    myFunction();
	    isLoading = false;
    }
}