function suti_elment()
{
   mentendo=topdisplay.innerHTML+'&'+str_history;
   ki='';
   for(i=0;i<=mentendo.length;i++)
   {
     j=mentendo.charAt(i);
     j==';'?j='$':1;
     j=='='?j='@':1;
     ki+=j;
   }
   d=new Date();d.setFullYear(d.getFullYear()+1);
   document.cookie="hicook="+ki+";expires="+d.toGMTString();
}

function suti_betolt()
{
   kapott=document.cookie.indexOf("cook")<=0?'':document.cookie.substring(7);
   ki='';
   for(i=0;i<=kapott.length;i++)
   {
     j=kapott.charAt(i);
     if(j==';')break;
     if(j=='$')j=';';
     if(j=='@')j='=';
     ki+=j;
   }
   if(ki==';')ki='';
   felso='';i=0;
   while(ki.charAt(i)!='&'){felso+=ki.charAt(i);i++;if(i>100)break;}
   topdisplay.innerHTML=felso;
   str_history=his_tart.innerHTML=ki.substring(i+1);
}