var NewDate = new Date();
//var NewDate = new Date(2005,7,1); // for debug


var NewYear = NewDate.getFullYear();


// ACHTUNG Monat-1 (zB. Juli=6)

var start_0 = new Date(NewYear-1, 10, 1); // Nov - 1
var start_1 = new Date(NewYear, 1, 1);  //Feb
var start_2 = new Date(NewYear, 4, 1); //Mai
var start_3 = new Date(NewYear, 7, 1); //August
var start_4 = new Date(NewYear, 10, 1); //Nov
var start_5 = new Date(NewYear+1, 1, 1);  //Feb



if ((NewDate > start_0)&(NewDate <= start_1)){
  document.write("<link rel='stylesheet' href='css/winter.css' type='text/css'>");
}
else if ((NewDate > start_1)&(NewDate <= start_2)){
  document.write("<link rel='stylesheet' href='css/sommer.css' type='text/css'>");
}
else if ((NewDate > start_2)&(NewDate <= start_3)){
  document.write("<link rel='stylesheet' href='css/sommer.css' type='text/css'>");
}
else if ((NewDate > start_3)&(NewDate <= start_4)){
  document.write("<link rel='stylesheet' href='css/sommer.css' type='text/css'>");
}
else if ((NewDate > start_4)&(NewDate <= start_5)){
  document.write("<link rel='stylesheet' href='css/winter.css' type='text/css'>");
}

function openBrWindow(theURL,winName,features) {
	window.open(theURL,winName,features);
}