function cSel() {
  cnt = document.forms['ff'].elements['c[]'];
  dst = document.forms['ff'].elements['d[]'];
  
  marked=0;
  for (i=0; i<cnt.options.length; i++) { 
    if (cnt.options[i].selected) marked++;
  }
  if (marked>0) { 
    for (i=1; i<cnt.options.length; i++) { 
      ref = document.getElementsByName('c'+cnt.options[i].value);
      if (cnt.options[i].selected || cnt.options[0].selected) {        
        for (j=0;j<ref.length;j++) {
          ref[j].disabled = false;
        }
      } else {
        for (j=0;j<ref.length;j++) {
          ref[j].disabled = true;
          ref[j].selected = false;
        }      
      }
    }
  }
}

function openWin(url) {
	window.open(url,'bevakning','width=400,height=400');
}