// openWindow function for online charges
function openPopUp(aux) {
	popupWin = window.open(aux,'Details', 'top=5,left=5,width=627,height=600,buttons=no,scrollbars=yes,location=no,menubar=no,resizable=yes,status=no,directories=no,toolbar=no')
}

function openCustomPopUp(aux, iwidth, iheight) {
	popupWin = window.open(aux,'Details', 'top=5,left=5,width=' + iwidth + ',height=' + iheight + ',buttons=no,scrollbars=yes,location=no,menubar=no,resizable=yes,status=no,directories=no,toolbar=no')
}

// hide-show elements using display
function changeDisplayElement(element, display) {
	document.getElementById(element).style.display=display;
}

//
function topicOnChange(){
	var index;
	index = document.getElementById("Subject").selectedIndex;
	changeDisplayElement("rTbl", "none");
	changeDisplayElement("rTourInfo", "none");
	changeDisplayElement("rBookConf", "none");
	if (index == "00") {
		changeDisplayElement("rTourInfo", "");
	} else if (index == "01") {
		changeDisplayElement("rTbl", "");
	} else if (index == "03") {
		changeDisplayElement("rBookConf", "");
	}
}