// Image alternate par onmouseover

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (  (navigator.appName.substring(0,9) == 'Microsoft') && (navigator.appVersion.substring(0,1) >= '4')  || 
      (navigator.appName.substring(0,9) == 'Netscape')  && (navigator.appVersion.substring(0,1) >= '3')  )
         {
         	version = "n3";
         } else {
         	 version = "old";
         }

if (version == "n3"){
img1on = new Image();
img1off  = new Image();
img2on = new Image();
img2off  = new Image();
img3on = new Image();
img3off  = new Image();
img4on = new Image();
img4off  = new Image();
img5on = new Image();
img5off  = new Image();
img6on = new Image();
img6off  = new Image();
img7on = new Image();
img7off  = new Image();
img8on = new Image();
img8off  = new Image();
img9on = new Image();
img9off  = new Image();
img10on = new Image();
img10off  = new Image();
img11on = new Image();
img11off  = new Image();
img12on = new Image();
img12off  = new Image();
img13on = new Image();
img13off  = new Image();
img14on = new Image();
img14off  = new Image();
img15on = new Image();
img15off  = new Image();
img16on = new Image();
img16off  = new Image();
img17on = new Image();
img17off  = new Image();
img18on = new Image();
img18off  = new Image();


img1on.src = "images/but01ca.jpg";
img1off.src = "images/but01c.jpg";
img2on.src = "images/but02ca.jpg";
img2off.src = "images/but02c.jpg";
img3on.src = "images/but03ca.jpg";
img3off.src = "images/but03c.jpg";
img4on.src = "images/but04ca.jpg";
img4off.src = "images/but04c.jpg";
img5on.src = "images/but05ca.jpg";
img5off.src = "images/but05c.jpg";
img6on.src = "images/but06ca.jpg";
img6off.src = "images/but06c.jpg";
img7on.src = "images/but07ca.jpg";
img7off.src = "images/but07c.jpg";
img8on.src = "images/but08ca.jpg";
img8off.src = "images/but08c.jpg";
img9on.src = "images/but09ca.jpg";
img9off.src = "images/but09c.jpg";
img10on.src = "images/but10ca.jpg";
img10off.src = "images/but10c.jpg";
img11on.src = "images/but11ca.jpg";
img11off.src = "images/but11c.jpg";
img12on.src = "images/but12ca.jpg";
img12off.src = "images/but12c.jpg";
img13on.src = "images/but13ca.jpg";
img13off.src = "images/but13c.jpg";
img14on.src = "images/but14ca.jpg";
img14off.src = "images/but14c.jpg";
img15on.src = "images/but15ca.jpg";
img15off.src = "images/but15c.jpg";
img16on.src = "images/but16ca.jpg";
img16off.src = "images/but16c.jpg";
img17on.src = "images/but17ca.jpg";
img17off.src = "images/but17c.jpg";
img18on.src = "images/but18ca.jpg";
img18off.src = "images/but18c.jpg";

}
else
{
img1on = 0; img1off  = 0;
img2on = 0; img2off  = 0;
img3on = 0; img3off  = 0;
img4on = 0; img4off  = 0;
img5on = 0; img5off  = 0;
img6on = 0; img6off  = 0;
img7on = 0; img7off  = 0;
img8on = 0; img8off  = 0;
img9on = 0; img9off  = 0;
img10on = 0; img10off  = 0;
img11on = 0; img11off  = 0;
img12on = 0; img12off  = 0;
img13on = 0; img13off  = 0;
img14on = 0; img14off  = 0;
img15on = 0; img15off  = 0;
img16on = 0; img16off  = 0;
img17on = 0; img17off  = 0;
img18on = 0; img18off  = 0;


}

function imageOn(imgOn,imageNubOn){
	if (version == "n3"){document.images[imageNubOn].src = imgOn.src;}
	}

function imageOff(imgOff, imageNubOff){
	if (version == "n3"){document.images[imageNubOff].src = imgOff.src;}
	}