var marvoltak;
 marvoltak = '0';
 var labelek;
 labelek = '0';
 function power(id,label){            
        tomb=marvoltak.split(",");
        tomb2=labelek.split(",");
        szam = (tomb.length);
        i = 1;
        to = 0;
        while(i<szam){
            if(id==tomb[i]){
                if(document.getElementById(""+id+"").value==""){
                    document.getElementById(""+id+"").value=tomb2[i];
                }else if(document.getElementById(""+id+"").value==tomb2[i]){
                    document.getElementById(""+id+"").value="";
                }    
            to = 1;
            i = 10000;
            }
            else{}
        i++;
        }
         
        
        if(to == 0)
        {
            document.getElementById(""+id+"").value="";
            marvoltak+=","+id+"";
            labelek+=","+label+""; 
        }else{}
 }