function changeSelect(x) {


if (document.Formular.Wo) {

	  	for (var i=0; i < document.Formular.Wo.length; i++) {
    
    			if (document.Formular.Wo[i].value == x) {
	    			document.Formular.Wo.selectedIndex = i;

    				//alert(document.myForm.mySelect[i].value); 
    			//alert(document.myForm.mySelect.selectedIndex); 
    			}
    
	    	}
	
		}


}


function getURLParam(name)
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}


window.onload = function() {
		changeSelect(getURLParam('RO'));
}