var agt=navigator.userAgent.toLowerCase();
	var is_major = parseInt(navigator.appVersion);
	var is_minor = parseFloat(navigator.appVersion);
	this.ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	this.ie4up  = (this.ie && (is_major >= 4));
	    if (this.ie4up){
			document.write ("<link rel=\"stylesheet\" href=\"css/ccai_ie.css\" type=\"text/css\">")	
		} else {
			document.write ("<link rel=\"stylesheet\" href=\"css/ccai_other.css\" type=\"text/css\">")	
		}