function CheckEmail(c){var a=false;if(RegExp){var b=/^([\w\.]|-)+\@([\w\.]|-)+\.[A-Za-z]+$/;a=b.test(c)}else{a=CheckEmail_IE4(c)}if(!a){alert("Die eMail-Adresse ist nicht korrekt.")}return a}function CheckEmail_IE4(b){var a=true;if(b.length<7||b.length==0){a=false}var c=new Array("/","\\",'"',"&","^","%","#","*","!","?","<",">","{","}","[","]");for(i=0;i<c.length;i++){if(b.indexOf(c[i])>=0){a=false}}if(b.indexOf("@")>b.lastIndexOf(".")){a=false}if(b.indexOf("@")<0||b.indexOf(".")<0||(b.indexOf(" ")>=0)){a=false}if(!a){alert("Die eMail-Adresse ist nicht korrekt.");return false}return true};