url_str = document.URL;
url_str = url_str.substr(url_str.lastIndexOf("content"));

if(url_str.indexOf("/") == -1) {
	delimiter = "\\";	
} else {
	delimiter = "/";
}

url_array = url_str.split(delimiter);

i_max = url_array.length-1;
path_to_engine = "";
for (var i=0; i<i_max; i++) {
	path_to_engine = path_to_engine+"../";
}
url_array[i_max] = "";
url_str = url_array.join("/");

//document.write(url_array+"<BR>");
//document.write(url_array.length+"<BR>");
//document.write(path_to_engine+"<BR>");
//document.write(url_str+"<BR>");