if (document.images)
{
infoimagedefault = new Image();
infoimagedefault.src = "images/tableau.gif";

image1on = new Image();
image1on.src = "images/pr1_on.gif";

image1off = new Image();
image1off.src = "images/pr1_off.gif";

infoimage1 = new Image();
infoimage1.src = "images/pr1_tab.gif";

image2on = new Image();
image2on.src = "images/pr2_on.gif";

image2off = new Image();
image2off.src = "images/pr2_off.gif";

infoimage2 = new Image();
infoimage2.src = "images/pr2_tab.gif";

image3on = new Image();
image3on.src = "images/pr3_on.gif";

image3off = new Image();
image3off.src = "images/pr3_off.gif";

infoimage3 = new Image();
infoimage3.src = "images/pr3_tab.gif";

image4on = new Image();
image4on.src = "images/pr4_on.gif";

image4off = new Image();
image4off.src = "images/pr4_off.gif";

infoimage4 = new Image();
infoimage4.src = "images/pr4_tab.gif";

image5on = new Image();
image5on.src = "images/pr5_on.gif";

image5off = new Image();
image5off.src = "images/pr5_off.gif";

infoimage5 = new Image();
infoimage5.src = "images/pr5_tab.gif";

image6on = new Image();
image6on.src = "images/pr6_on.gif";

image6off = new Image();
image6off.src = "images/pr6_off.gif";

infoimage6 = new Image();
infoimage6.src = "images/pr6_tab.gif";

image7on = new Image();
image7on.src = "images/pr7_on.gif";

image7off = new Image();
image7off.src = "images/pr7_off.gif";

infoimage7 = new Image();
infoimage7.src = "images/pr7_tab.gif";

image8on = new Image();
image8on.src = "images/pr8_on.gif";

image8off = new Image();
image8off.src = "images/pr8_off.gif";

infoimage8 = new Image();
infoimage8.src = "images/pr8_tab.gif";

image9on = new Image();
image9on.src = "images/pr9_on.gif";

image9off = new Image();
image9off.src = "images/pr9_off.gif";

infoimage9 = new Image();
infoimage9.src = "images/pr9_tab.gif";


}

function changeImages() 
{
    if (document.images)
    {
        for (var i=0; i<changeImages.arguments.length; i+=2)
        { document[changeImages.arguments[i]].src = eval (changeImages.arguments[i+1] + ".src");
        }
    }
}