function createDialog(id, name1, name2,url1,url2){
     // Dialog
    var buttons = {};
    buttons[name1] = function() { 
	window.location = url1;
	$(this).dialog("close"); 
    };
    buttons[name2] =  function() { 
	window.location = url2;
	$(this).dialog("close"); 
    };

    var dialog = $('#' + id).dialog({
					autoOpen: false,
					width: 600,
						      buttons: buttons
				});
				
				// Dialog Link
				$('#' + id + '_link').click(function(){
				    
				    dialog.dialog('open');
					return false;
				});

}
$(document).ready(function () {
    createDialog('arc_intro', "Select Introduction course", "Select Introduction and Advanced ArcGIS","http://store.southampton.ac.uk/browse/product.asp?catid=18&modid=5&compid=1","http://store.southampton.ac.uk/browse/product.asp?catid=19&modid=5&compid=1");

    createDialog('arc_advanced', "Select Advanced course", "Select Introduction and Advanced ArcGIS","http://store.southampton.ac.uk/browse/product.asp?catid=20&modid=5&compid=1","http://store.southampton.ac.uk/browse/product.asp?catid=19&modid=5&compid=1");

    createDialog('mapinfo_intro', "Select Introduction course", "Select Introduction and Advanced Mapinfo","http://store.southampton.ac.uk/browse/product.asp?catid=15&modid=5&compid=1","http://store.southampton.ac.uk/browse/product.asp?catid=16&modid=5&compid=1");
    createDialog('mapinfo_advanced', "Select Advanced course", "Select Introduction and Advanced Mapinfo","http://store.southampton.ac.uk/browse/product.asp?catid=15&modid=5&compid=1","http://store.southampton.ac.uk/browse/product.asp?catid=16&modid=5&compid=1");
});