current_address = "" + document.location + "";
 
 //alert ('current_address = ' + current_address);
 
 if (current_address.indexOf("/low/")!=-1) {
	 if (screen.width > 1152) {
	   new_address = current_address.replace (/\/low\//, '/high/');
	   //alert ('new_address = ' + new_address);
	   parent.window.location.href = new_address;
	 } // end if
 } else if (current_address.indexOf("/high/")!=-1) {
 	if (screen.width <= 1152) {
	   new_address = current_address.replace (/\/high\//, '/low/');
	   //alert ('new_address = ' + new_address);
	   parent.window.location.href = new_address;
	} // end if
 
 } // end if .. else