function CheckEnterKey(e){
var key;
     if(window.event)
          key = window.event.keyCode;     //IE
     else
          key = e.which;     //firefox
 
     if(key == 13){
          doSearch();
          return false;
     }
     else
          return true;
}
 
 
function doSearch(){
    var where=document.getElementById("sltSearchWhere").value;
    var query=document.getElementById("txtSearchQuery").value;
    
    
    if(where=="site"){
      var q_ext="";
      q_ext+="&cx=partner-pub-1805388760815596:inagu1ynotl";
      q_ext+="&cof=FORID:9";
      q_ext+="&ie=ISO-8859-1";
 
      window.location.href="/pub/Search.aspx?in=" +
                  where + "&q=" + query + q_ext;
 
    }
 
    if(where=="web"){
      var q_ext="";
      q_ext+="&cx=partner-pub-1805388760815596:awoa6f-f7wt";
      q_ext+="&cof=FORID:9";
      q_ext+="&ie=ISO-8859-1";
 
      window.location.href="/pub/Search.aspx?in=" +
                  where + "&q=" + query + q_ext;
 
    }
 
    if(where=="wiki"){
        window.open("http://it.wikipedia.org/wiki/Speciale:Ricerca?search=" + query);
 
    }
 
    
}