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);
}


function styleCurrentLink() {
    var anchors = document.getElementsByTagName('a');
    for (var i = 0; i != anchors.length; i++) {
	if (anchors[i].href == window.location) {
	    var anchor = anchors[i];
	    anchor.setAttribute('class', 'currentPageLink');
	}
    }
}

function openPopup(url,title,width,height,x,y) {
	window.open(url,title,config='height=' + height + ',width=' + width + ',screenX=' + x + ',screenY=' + y + ',resizable=no');	
}