function trim(s) {
    return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
}

function CheckNumerical(Objekt){
		var allowed="0123456789 ";
		var input = document.getElementById(Objekt);

		for(var i=0; i<input.value.length; i++){
			if(allowed.indexOf(input.value.charAt(i))<0){ return false; }
		}
		return true;
}

$(function(){$('a[href][rel*=external]').each(function(i){this.target = "_blank";});});