//Code 2003-2010 by pigwa at infocentrum.com
function cntnr(el){var n=parseInt(el.name.substr(el.name.indexOf("_")+1));var pn=el.parentNode;if(n){pn=d.getElementById("tbl_"+n)}return pn;}
function chkSrv(tF,msg){var els,el,qNr,ok=1;if(tF){els=tF.elements;}else{els=tFE;}for(m=0;m<els.length&&ok;m++){el=els[m];cntnr(el).className=cntnr(el).className.replace("error","");if(0==el.name.indexOf('surveyQtype_')){qNr=el.name.substr(12,el.name.length-12);if((ok=('select'==els['surveyQtype_'+qNr].value))){var sl,k=0,vs=new Array();for(i=0;i<els.length&&ok;i++){sl=els[i];if(0==sl.name.indexOf('surveyvote_'+qNr)){vs[k]=sl.value;if((ok=('null'!=vs[k]))){for(j=0;j<k&&ok;j++){ok=(vs[j]!=vs[k]);}}k++;}}}else if('checkbox'==els['surveyQtype_'+qNr].value){ok=0;for(i=0;!ok&&i<els.length;i++){var ch=els[i];ok=(0==ch.name.indexOf('surveyvote_'+qNr)&&ch.checked);}}else if('radio'==els['surveyQtype_'+qNr].value){if (!(ok=(els['surveyvote_'+qNr].checked))){for(i=0;!ok&&i<els['surveyvote_'+qNr].length;i++){ok=(els['surveyvote_'+qNr][i].checked);}}}}}if(!ok){cntnr(el).className+=" error";alert(msg);}return ok;}