<!--
cache1=new Image();
cache1.src="img/uvod.gif"; 
cache2=new Image(); 
cache2.src="img/monbat.gif"; 
cache3=new Image(); 
cache3.src="img/duralube.gif";
cache4=new Image(); 
cache4.src="img/regulus.gif"; 
cache5=new Image(); 
cache5.src="img/sluzby.gif";
cache6=new Image(); 
cache6.src="img/kontakt.gif"; 

function change_image(obr,nazev) 
{ 
obr.src= nazev + ".gif"; 
return false;
}
// -->