if (document.images)	{

image1= new Image(); image1.src="images/dot1.gif"
image2= new Image(); image2.src="images/dot2.gif"
image3= new Image(); image3.src="images/d.gif"
image4= new Image(); image4.src="images/d2.gif"


}
else	{
image1=""
image2=""
image3=""
image4=""

}