function checkPagesCount(){var a=/[0-9]+/;var b=new RegExp(a);pf=dBi("pages_from").value;pt=dBi("pages_to").value;if((pf&&!pf.match(b))||(pt&&!pt.match(b))){alert(fromOrToIntMsg);return false}else{if(pf&&pt&&(pt-pf)<0){alert(fromGTToMsg);return false}else{return true}}}function resetCreatedDays(){dBi("created_days").value=""}function hideFaculties(){dBi("faculty_div").style.display="none";dBi("faculty_id")[0].selected=true;dBi("faculty_id").disabled=true}Array.prototype.inArray=function(b){var a;for(a=0;a<this.length;a++){if(this[a]==b){return true}}return false};