function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function checkLogin(){
	if(getCookie('labrador') && navigator.userAgent.match('Firefox')){
		var articleToolbox = Ext.get('articleTools');
		var webobjectId = Ext.get('articleId').dom.innerHTML;
		var editBodyTextButton = Ext.DomHelper.insertFirst(articleToolbox, '<span id="editBodyTextIcon" style="cursor:pointer;font-weight:bold;color:red;" ><img src="http://gfx.dagbladet.no/labrador/icons/labradorIcon.png" title="Rediger i Labrador" /></span>',1);
		editBodyTextButton.on('click', function(e){
			window.location = 'http://labrador.nationen.no/?op=EditArticle&webobjectId='+webobjectId;
		});
	}
}