if( document.images )
{
<!--On & Off-->
but1 = new Image(100,133) ;
but1.src = "images/galleri_lenab.jpg";
but2 = new Image(100,133) ;
but2.src ="images/galleri_lena1txt_dk.jpg"; 
but3 = new Image(100,133) ;
but3.src = "images/galleri_bal03b.jpg";
but4 = new Image(100,133) ;
but4.src ="images/galleri_bal031txt_dk.jpg"; 
but5 = new Image(100,133) ;
but5.src = "images/galleri_bal04b.jpg";
but6 = new Image(100,133) ;
but6.src ="images/galleri_bal041txt_dk.jpg"; 
but7 = new Image(100,133) ;
but7.src = "images/galleri_fest04b.jpg";
but8 = new Image(100,133) ;
but8.src ="images/galleri_fest041txt_dk.jpg"; 
but9 = new Image(100,133) ;
but9.src = "images/galleri_fest05b.jpg";
but10 = new Image(100,133) ;
but10.src ="images/galleri_fest051txt_dk.jpg"; }