var start=1;
var maxobrazku=35;
var cislo=start; 
obr1=new Image();
obr1.src="1.gif";
obr2=new Image();
obr2.src="1.gif";
obr3=new Image();
obr3.src="1.gif";
obr4=new Image();
obr4.src="1.gif";
obr5=new Image();
obr5.src="1.gif";
obr6=new Image();
obr6.src="2.gif";
obr7=new Image();
obr7.src="2.gif";
obr8=new Image();
obr8.src="2.gif";
obr9=new Image();
obr9.src="2.gif";
obr10=new Image();
obr10.src="2.gif";
obr11=new Image();
obr11.src="3.gif";
obr12=new Image();
obr12.src="3.gif";
obr13=new Image();
obr13.src="3.gif";
obr14=new Image();
obr14.src="3.gif";
obr15=new Image();
obr15.src="3.gif";
obr16=new Image();
obr16.src="4.gif";
obr17=new Image();
obr17.src="4.gif";
obr18=new Image();
obr18.src="4.gif";
obr19=new Image();
obr19.src="4.gif";
obr20=new Image();
obr20.src="4.gif";
obr21=new Image();
obr21.src="5.gif";
obr22=new Image();
obr22.src="5.gif";
obr23=new Image();
obr23.src="5.gif";
obr24=new Image();
obr24.src="5.gif";
obr25=new Image();
obr25.src="5.gif";
obr26=new Image();
obr26.src="6.gif";
obr27=new Image();
obr27.src="6.gif";
obr28=new Image();
obr28.src="6.gif";
obr29=new Image();
obr29.src="6.gif";
obr30=new Image();
obr30.src="7.gif";
obr31=new Image();
obr31.src="7.gif";
obr32=new Image();
obr32.src="7.gif";
obr33=new Image();
obr33.src="7.gif";
obr34=new Image();
obr34.src="7.gif";
obr35=new Image();
obr35.src="7.gif";

function zmena()
{
eval("document.images[\"obrazek\"].src=obr"+cislo+".src"); 
cislo++;
if (cislo>maxobrazku) {cislo=1;}
setTimeout("zmena()", 350);
}