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 closeWinWarn() {
	winWarn.style.display = "none";
}	
	
var checkForLinks = {
	
	init : function () {
	if (document.getElementById('container')){
	var container = document.getElementById('container');
	var nodes = container.childNodes;
	var links = container.getElementsByTagName('a');
	for (i=0;i<links.length;i++) {
		if (links[i].target == "newWin") {
			if(!readCookie('winWarnCookie')){
			winWarn = document.createElement('div');
			winWarn.setAttribute("id","winWarn");
			winWarn.innerHTML = "<strong>Please note</strong>: Links on this page alongside the <img src=\"http://style.uwe.ac.uk/assets/icons/win.gif\" alt=\"Link opens in a new window\" /> image open in a new window. - ";
			winWarn.innerHTML += "<strong><a onclick=\"closeWinWarn();\" onmouseover=\"this.style.cursor='pointer';\">close this message</a></strong>";
			winWarn.innerHTML += "<br />If you understand this message and would like to stop it from popping up, please tick/select this checkbox <input name=\"\" type=\"checkbox\" value=\"\" onclick=\"createCookie('winWarnCookie',1,5); closeWinWarn();\"/>";
			container.insertBefore(winWarn,nodes[0]);
			break;
			}
		}
	}
}
	}
}