function addReq(){ var currentReq = document.getElementById("extra_req"); var currentReqNumber = parseInt(currentReq.value); currentReqNumber++; var htmlForInsert = ""; htmlForInsert += ""; htmlForInsert += ""; htmlForInsert += "Request #"+currentReqNumber+"
"; htmlForInsert += ""; htmlForInsert += ""; htmlForInsert += ""; htmlForInsert += ""; htmlForInsert += ""; htmlForInsert += "
Date
Position
Start time
Finish time
Ward
"; //hide previous var toHide = document.getElementById("subtractorRq_"+ (currentReqNumber - 1) ); if (currentReqNumber > 1){ Element.hide(toHide); } if (document.getElementById("additionalRq_"+currentReqNumber)){ Element.show("additionalRq_"+currentReqNumber); Element.show("subtractorRq_"+currentReqNumber); }else { new Insertion.Before("submit_area_req", htmlForInsert); } currentReq.value = currentReqNumber; } function subtractReq(){ var currentReq = document.getElementById("extra_req"); var currentReqNumber = parseInt(currentReq.value); var toHide = document.getElementById("subtractorRq_"+ (currentReqNumber) ); Element.hide(toHide); if (currentReqNumber > 1 ){ var toShow = document.getElementById("subtractorRq_"+ (currentReqNumber - 1)); Element.show(toShow); } var toKill = document.getElementById("additionalRq_"+ (currentReqNumber)); Element.hide(toKill); currentReqNumber--; if (currentReqNumber < 0) {currentReqNumber = 0;} currentReq.value = currentReqNumber; }