var fieldsValid=true;function nlf_checkForm(){fieldsValid=true;if(!(document.content_form.email.value.search(/[@.]/)>=0)||!(document.content_form.email.value.search(/.+@..+\...+/)>=0)||!(document.content_form.email.value.length>=8)){markingField("email")}else{clearField("email")}if((!document.content_form.elements[0].checked)&&(!document.content_form.elements[4].checked)&&(!document.content_form.elements[5].checked)&&(!document.content_form.elements[6].checked)&&(!document.content_form.elements[7].checked)&&(!document.content_form.elements[8].checked)&&(!document.content_form.elements[9].checked)&&(!document.content_form.elements[10].checked)&&(!document.content_form.elements[11].checked)&&(!document.content_form.elements[12].checked)){markingField("newsletter_type")}else{clearField("newsletter_type")}if(document.content_form.elements[5].checked){if(jQuery.trim(document.content_form.Entbindungstermin.value)!=""){if(validateDateString(document.content_form.Entbindungstermin.value)){clearField("Entbindungstermin")
}else{markingField("Entbindungstermin")}}}return fieldsValid}function toogle_optional(a){if(a.checked){d_obj(a.id+"_optional").style.display="block"}else{d_obj(a.id+"_optional").style.display="none"}}function validateDateString(d){var b=/^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/;if(!b.test(d)){return false}else{var c=d.substring(2,3);var g=d.split(c);var a={"01":31,"03":31,"04":30,"05":31,"06":30,"07":31,"08":31,"09":30,"10":31,"11":30,"12":31};var h=parseInt(g[0],10);if(a[g[1]]!=null){if((h<=a[g[1]])&&(h!=0)){return true}}var f=parseInt(g[1],10);if(f==2){var e=parseInt(g[2]);if((h>0)&&(h<29)){return true}else{if(h==29){if((e%4==0)&&(e%100!=0)||(e%400==0)){return true}}}}}return false};