gistfile1.txt

	// Get list of users
	YAHOO.namespace("DDSuccess");
	YAHOO.DDSuccess = { dd1:null, dd2:null };

	var sUrl1 = 'db_taskmanager.php?action=select-users';
	
	// Dropdown 1
	var DD1handleSuccess = function(o){
		test();
		if(o.responseText !== undefined){ 
			var json = YAHOO.lang.JSON.parse(o.responseText);
//			for (var i = 0, len = json.rows.length; i < len; ++i) { 
//		alert(json.rows[i].label);
//			}
		}
	};
	
	var DD1handleFailure = function(o){
		YAHOO.DDSuccess.dd1 = false;
		//alert("failure");
	};
	
	var DD1callback = 
		{ 
		  success: DD1handleSuccess, 
		  failure: DD1handleFailure 
	}; 

	var request = YAHOO.util.Connect.asyncRequest('GET', sUrl1, DD1callback);
	
	// Dropdown 2
	var sUrl2 = 'db_taskmanager.php?action=select-users';
	var DD2handleSuccess = function(o){
		test();
		if(o.responseText !== undefined){ 
			var json = YAHOO.lang.JSON.parse(o.responseText);
//			for (var i = 0, len = json.rows.length; i < len; ++i) { 
//		alert(json.rows[i].label);
//			}
		}
	};
	
	var DD2handleFailure = function(o){
		YAHOO.DDSuccess.dd2 = false;
		//alert("failure");
	};
	
	var DD2callback = 
		{ 
		  success: DD2handleSuccess, 
		  failure: DD2handleFailure 
	}; 

	var request = YAHOO.util.Connect.asyncRequest('GET', sUrl2, DD2callback);
	
 	function test(){
		if (YAHOO.DDSuccess.dd1&&YAHOO.DDSuccess.dd2) 
		renderDataTable();  
	} 

 	function renderDataTable(){
		alert("success");  
	}