if (document.images)
   {
     image_off= new Image(751,281);
     image_off.src="/images/default.jpg";  

     image1= new Image(751,281);
     image1.src="/images/image1.jpg";  
     image2= new Image(751,281);
     image2.src="/images/image2.jpg";
     image3= new Image(751,281);
     image3.src="/images/image3.jpg";  
     image4= new Image(751,281);
     image4.src="/images/image4.jpg";   
     image5= new Image(751,281);
     image5.src="/images/image5.jpg";  
	 image6= new Image(751,281);
     image6.src="/images/image6.jpg"; 
   }

function change1(picName,imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + ".src");
      document[picName].src= imgOn;
    }
 }

function bg(pic)
{
	if(pic == "default"){
		document.getElementById('pic1').style.background="url(images/default.jpg)";
	}else{
	document.getElementById('pic1').style.background=pic;
	}
}