function Registrieren()
{if(TestRegistrieren()){w=790;h=570;x=(screen.width-w)/2;y=(screen.height-h)/2;
 attr="width="+w+",height="+h+",left="+x+",top="+y+",location=0,menubar=0,resizable=0,toolbar=0,dependent=0,status=1";
 str="http://www.heizkostenabrechnung-online.de/app/register.asp?kid=pYairpyrqpSI74Y&login="+
   document._formRegister.reg_login.value+"&email="+document._formRegister.reg_email.value;
   document._formRegister.reg_login.value="";
   document._formRegister.reg_email.value="";
 winReg = window.open(str,"wReg", attr );}}
 var winKunde
 function OpenKundencenter(){w=790;h=570;x=(screen.width-w)/2;y=(screen.height-h)/2;
 attr="width="+w+",height="+h+",left="+x+",top="+y+",location=0,menubar=0,resizable=0,toolbar=0,dependent=0,status=1";
 winKunde = window.open("http://www.heizkostenabrechnung-online.de/app/anmelden.asp?kid=pYairpyrqpSI74Y","wKC", attr );}
 function StartKundencenter(){
 if(winKunde==null)OpenKundencenter();
 else{if(winKunde.closed==true )
 OpenKundencenter();
 else winKunde.focus();}}
 var winKundeDemo
 function OpenKundencenterDemo(){w=790;h=570;x=(screen.width-w)/2;y=(screen.height-h)/2;
 attr="width="+w+",height="+h+",left="+x+",top="+y+",location=0,menubar=0,resizable=0,toolbar=0,dependent=0,status=1";
 winKundeDemo = window.open("http://www.heizkostenabrechnung-online.de/app/doanmelden.asp?kid=pYairpyrqpSI74Y&action=demo","wKCDemo", attr );}
 function StartKundencenterDemo(){
 if(winKundeDemo==null)OpenKundencenterDemo();
 else{if(winKundeDemo.closed==true )
 OpenKundencenterDemo();
 else winKundeDemo.focus();}}