function lan_change(val,wwwroot) {

	window.location.href=wwwroot+"&lang="+val;

}



function cat_change(val,wwwroot,val1) {

	window.location.href=wwwroot+"&cat_sel="+val+""+val1;

}



function sort_change(val,wwwroot,val1) {

	window.location.href=wwwroot+"&sort="+val+""+val1;

}