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function windowopen(url,winname,width,height){OpenWin=window.open(url,winname,'scrollbars=yes,resizable=yes,toolbar=no,height='+height+',width='+width);if(OpenWin.opener==null)OpenWin.opener=self; else if(OpenWin.focus) OpenWin.focus();setTimeout('OpenWin.focus()',300);}
function popupwin(url,winname,width,height,resizeable,toolbar,scrollbars,location,menubar){OpenWin=window.open(url,winname,'menubar='+menubar+',scrollbars='+scrollbars+',resizable='+resizeable+',toolbar='+toolbar+',location='+location+',height='+height+',width='+width);if(OpenWin.opener==null)OpenWin.opener=self; else if(OpenWin.focus) OpenWin.focus();setTimeout('OpenWin.focus()',300);}
function changeImage(obj,nam){img=new Image();img.src=nam;obj.src=img.src;}
function cleanTags(s){return s.replace(/<([^>]|)*>/g,"")}
function selfName(loc){var s="";if (!loc) return s;var alt=loc.href;var neu=alt.replace(/\\/,"/");pos=neu.lastIndexOf('extern/');if (pos==-1)pos=neu.lastIndexOf('/');else pos--;if(pos==-1)pos=0;if(pos!=-1) s=neu.substring(pos+1,neu.length);return s;}
function CheckEMail(s){reg=new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)(\\@)([a-zA-Z0-9\\-\\.]+)(\\.)([a-zA-Z]{2,4})$');return reg.test(s);}
function IsEMail(dat){var s=dat.value;if(!CheckEMail(s)){alert('Geben Sie eine gültige EMail-Adresse an!');dat.focus();return false;}return true;}
function IsLeer(dat,nam){var s=dat.value;if((s==null)||(s=="")||(s.length==0)){alert('Das Feld ´'+nam+'´ muß ausgefüllt werden!');dat.focus();return true;}return false;}
function CheckKontakt(f){if(!IsEMail(f.EMail)) return false;if(IsLeer(f.Anliegen,'Anliegen')) return false;return true;}
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