if (document.images) {       //if image object is available

// MouseOver Images
friendson = new Image();
friendson.src = BUTTONROOT + "friends_h.gif";
familyon = new Image();
familyon.src = BUTTONROOT + "family_h.gif";
coloncleansingon = new Image();
coloncleansingon.src = BUTTONROOT + "coloncleansing_h.gif";
ebookson = new Image();
ebookson.src = BUTTONROOT + "ebooks_h.gif";
otheron = new Image();
otheron.src = BUTTONROOT + "other_h.gif";


// MouseOut Images
friendsoff = new Image();
friendsoff.src = BUTTONROOT + "friends_n.gif";
familyoff = new Image();
familyoff.src = BUTTONROOT + "family_n.gif";
coloncleansingoff = new Image();
coloncleansingoff.src = BUTTONROOT + "coloncleansing_n.gif";
ebooksoff = new Image();
ebooksoff.src = BUTTONROOT + "ebooks_n.gif";
otheroff = new Image();
otheroff.src = BUTTONROOT + "other_n.gif";
}