function addTask()
{
var str="<form name=\"insert_form\" method=\"post\"><input type=\"text\" id=\"task\"><br />";
str+="<textarea id=\"taskText\" cols=\"45\" rows=\"5\"></textarea><br /><input type=\"button\" value=\"Add Task\" onclick=\"insertTask();\"><input type=\"button\" value=\"Cancel\" onclick=document.getElementById(\"addTaskForm\").innerHTML=\"\";></form>";
document.getElementById("addTaskForm").innerHTML=str;	
}

function insertTask()
{
	var task=document.getElementById("task").value;
	var taskText=document.getElementById("taskText").value;
	
	if((!task) || (!taskText)) 
	 document.getElementById("formAlert").innerHTML="Necessary fields are empty!";
	else
	{
		document.getElementById("formAlert").innerHTML="";
		document.getElementById("addTaskForm").innerHTML="";
		
		if(xmlHttp.readyState==4 || xmlHttp.readyState==0)
	    {
			var day=document.getElementById("hiddenDay").value;
			var mon=document.getElementById("hiddenMon").value;

			xmlHttpAdd.open("GET", "show.php?task="+task+"&taskText="+taskText+"&mon="+mon+"&day="+day, true);
			xmlHttpAdd.send(null);
			process(day, mon);
		}
		else
		setTimeout('insertTask()', 1000);
	}
}