function getIndex(formname,fieldname,wantedVal)
{
	for(i=0;i<eval('document.'+formname+'.'+fieldname+'.length');++i)
	if(eval('document.'+formname+'.'+fieldname+'.options[i].value') == wantedVal)
	return i;
}
function y2k(number) { return (number < 1000) ? number + 1900 : number; }
function isDate (day,month,year) {
    var today = new Date();
    year = ((!year) ? y2k(today.getYear()):year);
    month = ((!month) ? today.getMonth():month-1);
    if (!day) return false
    var test = new Date(year,month,day);
    if ( (y2k(test.getYear()) == year) &&
         (month == test.getMonth()) &&
         (day == test.getDate()) )
        return true;
    else
        return false
}
function cmpDate(pform,pmonth,yearfield,dayfield,pmonth1,yearfield1,dayfield1)
{
	m=eval("document."+pform+"."+pmonth+".options[document."+pform+"."+pmonth+".selectedIndex].value");
	y=eval("document."+pform+"."+yearfield+".options[document."+pform+"."+yearfield+".selectedIndex].value");
	dday=eval("document."+pform+"."+dayfield+".options[document."+pform+"."+dayfield+".selectedIndex].value");
	date1=y+m+dday;
	m1=eval("document."+pform+"."+pmonth1+".options[document."+pform+"."+pmonth1+".selectedIndex].value");
	y1=eval("document."+pform+"."+yearfield+".options[document."+pform+"."+yearfield1+".selectedIndex].value");
	d1=eval("document."+pform+"."+dayfield1+".options[document."+pform+"."+dayfield1+".selectedIndex].value");
	date2=y1+m1+d1;
	var today=new Date();
	year3=today.getFullYear();
	month3=today.getMonth()+1;
	day3=today.getDate();
	var month31=((month3 < 10) ? "0" : "") + month3;
	var day31=((day3 < 10) ? "0" : "") + day3;
	date3=year3+month31+day31;
	if(date1>=date3)
	{
		ret=true;
	}else{
		ret=false;
	}
	if(date1>=date2)
	{
		ret1=false;
	}else{
		ret1=true;
	}
	if (isDate(dday,m,y))
	{
    	ret2=true;
	}else{
    	ret2=false;
	}
	if ((ret==true) && (ret1==true)&& (ret2==true))
	{
		return true;	
	}else{
		return false;
	}
}
function check(target)
{
	if(!cmpDate('form','from_month','from_year','from_day','to_month','to_year','to_day'))
	{
		alert("");
		return false;
	}else{
		m=eval("document.form.from_month.options[document.form.from_month.selectedIndex].value");
		y=eval("document.form.from_year.options[document.form.from_year.selectedIndex].value");
		dday=eval("document.form.from_day.options[document.form.from_day.selectedIndex].value");
		m1=eval("document.form.to_month.options[document.form.to_month.selectedIndex].value");
		y1=eval("document.form.to_year.options[document.form.to_year.selectedIndex].value");
		d1=eval("document.form.to_day.options[document.form.to_day.selectedIndex].value");
		typ=eval("document.form.typ.options[document.form.typ.selectedIndex].value");
		anzahl_erw=eval("document.form.anzahl_erw.options[document.form.anzahl_erw.selectedIndex].value");
		alterkind1=eval("document.form.alterkind1.options[document.form.alterkind1.selectedIndex].value");
		alterkind2=eval("document.form.alterkind2.options[document.form.alterkind2.selectedIndex].value");
		alterkind3=eval("document.form.alterkind3.options[document.form.alterkind3.selectedIndex].value");
		if(target == 1)
		{
			return true;
		}
		if(target == 2)
		{
//			fenster = window.open("http://www.suedtirol-information.com/sewahotel/hotels/template_formular.html?hotel_id="+hotel_id+"&pid=6&rid=6&lang=de&css="+hotel_css+"&from_day="+dday+"&from_month="+m+"&from_year="+y+"&to_day="+d1+"&to_month="+m1+"&to_year="+y1+"&to_year="+y1+"&typ="+typ+"&anzahl_erw="+anzahl_erw+"&alterkind1="+alterkind1+"&alterkind2="+alterkind2+"&alterkind3="+alterkind3+"&anfrage_request=1","HotelSuche","width=750, height=720, scrollbars=1");
			return false;
		}
	}
}
function startup()
{
	initialize2('form','from_day','from_month','from_year','to_day','to_month','to_year');
}
function initialize2(pform,dayField,monthfield,yearfield,dayField1,monthfield1,yearfield1)
{
	sap_m=03;
	sap_y=2010;
	sap_d=10;
	sap_m1=03;
	sap_y1=2010;
	sap_d1=17;
	eval('document.'+pform+'.'+yearfield+'.selectedIndex='+getIndex(pform,yearfield,sap_y));
	eval('document.'+pform+'.'+monthfield+'.selectedIndex='+getIndex(pform,monthfield,sap_m));
	eval('document.'+pform+'.'+dayField+'.selectedIndex='+getIndex(pform,dayField,sap_d));
	eval('document.'+pform+'.'+yearfield1+'.selectedIndex='+getIndex(pform,yearfield1,sap_y1));
	eval('document.'+pform+'.'+monthfield1+'.selectedIndex='+getIndex(pform,monthfield1,sap_m1));
	eval('document.'+pform+'.'+dayField1+'.selectedIndex='+getIndex(pform,dayField1,sap_d1));
}