var win=null;

function OpenNewWindow(mypage,myname,w,h,scroll,pos)
{
    if(pos=="random")
    {
        LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
        TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
    }
    if(pos=="center")
    {
        LeftPosition=(screen.width)?(screen.width-w)/2:100;
        TopPosition=(screen.height)?(screen.height-h)/2:100;
    }
    else if((pos!="center" && pos!="random") || pos==null)
    {
        LeftPosition=0;
        TopPosition=20
    }

    settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';

    win=window.open(mypage,myname,settings);

    if(win.focus)
    {
        win.focus();
    }
}

function avviaRicerca(){
	if(document.getElementById("query_string")){
		if(document.getElementById("query_string").value != "Ricerca nel Sito" && document.getElementById("query_string").value.length > 2){
			document.forms.ricerca.submit();
		} else {
			alert("Inserire almeno un parametro di ricerca!");
		}
	}
}