var nav = navigator.appName;

function RandomImage()
{	
	var randNumber = Math.round(Math.random()*2);
			
	switch(randNumber)
	{
		case 0:
			document.write('<img width=700 height=250 name="MainImage" src="Images/MainTitle/image001.jpg" border=0>');
			break;
		case 1:
			document.write('<img width=700 height=250  name="MainImage" src="Images/MainTitle/image002.jpg" border=0>');
			break;
		case 2:
			document.write('<img width=700 height=250  name="MainImage" src="Images/MainTitle/image003.jpg" border=0>');
			break;
	}
}