function check_contact_form ()
{
	var bErr = false;
	var bErr=false;
	var s = ""; var s_s="";
	var bg = "#efef33;";
	
	
	 s = self.document.frm.name.value.replace (/\ */,"");	
	 if ( s.length <= 2 )
	 {
		 self.document.frm.name.style.backgroundColor=bg;
		 bErr = true;

	 }
	 else  self.document.frm.name.style.backgroundColor="";


	 s = self.document.frm.email.value.replace (/\ */,"");
	 s_s = self.document.frm.telefon.value.replace (/\ */,"");   	   
	 if(s.length <= 8 && s_s.length <=5 )
	 {
		 self.document.frm.email.style.backgroundColor=bg;
		 self.document.frm.telefon.style.backgroundColor=bg;
		 bErr = true;
	 }
	 
	 else  
	 {
			self.document.frm.email.style.backgroundColor="";
			self.document.frm.telefon.style.backgroundColor="";
		}

	 s = self.document.frm.plz_ort.value.replace (/\ */,"");
	 if( s == "")
	 {
		 self.document.frm.plz_ort.style.backgroundColor=bg;
		 bErr = true;
	 }
		else
		self.document.frm.plz_ort.style.backgroundColor="";
		

	 s = self.document.frm.nachricht.value.replace (/\ */,"");
	 if( s == "")
	 {
		 self.document.frm.nachricht.style.backgroundColor=bg;
		 bErr = true;
	 }
	else
		self.document.frm.nachricht.style.backgroundColor="";


	 s = self.document.frm.strasse.value.replace (/\ */,"");
	 if( s == "")
	 {
		 self.document.frm.strasse.style.backgroundColor=bg;
		 bErr = true;
	 }
	else
		self.document.frm.strasse.style.backgroundColor="";


	if ( !bErr )
	{
		return true;
	 }
 
	alert ("Bitte fuellen Sie die markierten Felder aus, damit wir Ihre Anfrage bearbeiten koennen.");
	return false;


}