function update_graph_link (element) {
	var current_link = $("link").href;

	var devided_link = current_link.split('?');
	
	var url_parameters = devided_link[1].split('&');
	//alert (url_parameters);
	if ( (element.name).indexOf('to') >0 ) {
		url_parameters[1][2] = "peshoo";
	} else {
		url_parameters[1][1] = "peshoo";
	}

	for (var i = 0; i < url_parameters.length; i++) {
		new_link += url_parameters[i];
	}
alert (new_link);

/*
for (var i = 0; i < array.length; i++) {
    print(array[i]);
}
*/
	//$("link").href = element.name;
}