function mouseOveradd()
	{
	document.b1.src="images/addbutton_over.gif"
	}
function mouseOutadd()
	{
	document.b1.src="images/addbutton.gif"
	}

function mouseOveredit()
	{
	document.b2.src="images/editbutton_over.gif"
	}
function mouseOutedit()
	{
	document.b2.src="images/editbutton.gif"
	}

function mouseOverremove()
	{
	document.b3.src="images/removebutton_over.gif"
	}
function mouseOutremove()
	{
	document.b3.src="images/removebutton.gif"
	}