rem: if (u == "" || u == null) 
add: if (u === '' || u === null) 
context: 	setBaseHREF : function(u) {		var h, b, d, nl;		d = this.getDoc();		nl = d.getElementsByTagName("base");		b = nl.length > 0 ? nl[0] : null;		if (!b) {			nl = d.getElementsByTagName("head");			h = nl.length > 0 ? nl[0] : null;			b = d.createElement("base");			b.setAttribute('href', u);			h.appendChild(b);		} else {			if (u == "" || u == null)				b.parentNode.removeChild(b);			else				b.setAttribute('href', u);		}	},
meta: 3891	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3891/e8e3862e104280a24076077196c7b5713720de70/tiny_mce_src.js/buggy/plugins/editors/tinymce/jscripts/tiny_mce/tiny_mce_src.js