function rgen()
	{
	var rand_no = Math.random();
	alert(rand_no);
	}

function rgen2()
	{
	var drn = "";
	var rand_no;
	for (x = 0; x < 10; x++)
		{
		rand_no = Math.random();
		rand_no = rand_no * 100;
		drn = drn + rand_no + "\n";
		}
	alert(drn);
	}

function rgen3()
	{
	var rand_no = Math.random();
	rand_no = rand_no * 100;
	rand_no = Math.ceil(rand_no);
	alert(rand_no);
	}

function rgen4()
	{
	var drn = "";
	var rand_no;
	for (x = 0; x < 20; x++)
		{
		rand_no = Math.ceil(100*Math.random())
		drn = drn + rand_no + "\n";
		}
	alert(drn);
	}

function rgen5()
	{
	var drn = "";
	var rand_no;
	for (x = 0; x < 20; x++)
		{
		rand_no = Math.floor(11*Math.random())
		drn = drn + rand_no + "\n";
		}
	alert(drn);
	}

function rgen6()
	{
	var drn = "";
	var rand_no;
	for (x = 0; x < 20; x++)
		{
		rand_no = Math.floor((10-4)*Math.random()) + 5;
		drn = drn + rand_no + "\n";
		}
	alert(drn);
	}