// JavaScript Document

//To open a new window smaller than the screen size.   
var newWindow;
function openNewWindow(url)
{
	newWindow=window.open(url,'mediumWindow','width=800,height=500,left=100,top=100,resizable=yes,scrollbars=yes,toolbar=yes,status=yes,location=yes');
	if (window.focus) {newWindow.focus()}
}

function calculateTotal() {
	var profCharge = 55;
	var collegeCharge = 30;
	var hsCharge = 20;
	var fridayKey = 20;
	var satBnK = 20;
	var satBnL = 30;
	
	var profNum = Number(document.getElementById("prof").value);
	var collegeStudentsNum = Number(document.getElementById("collegeStudents").value);
	var highSchoolNum = Number(document.getElementById("highSchool").value);
	var fridayKeyNum = Number(document.getElementById("fridayKey").value);
	var satBnKNum = Number(document.getElementById("satB&K").value);
	var satBnLNum = Number(document.getElementById("satB&L").value);
	
	
	var totalNum = profNum + collegeStudentsNum + highSchoolNum + fridayKeyNum + satBnKNum + satBnLNum;
	
	var total$ = ((profNum * profCharge) + (collegeStudentsNum * collegeCharge) + (highSchoolNum * hsCharge)
					+ (fridayKeyNum * fridayKey) + (satBnKNum * satBnK) + (satBnLNum * satBnL));
		
	document.getElementById("num").value = totalNum;
	document.getElementById("total").value = total$;
	enableNext();
}

function disableNext() {
	document.getElementById("next").disabled = true;
}
function enableNext() {
	document.getElementById("next").disabled = false;
}

function showTable(what){
if(document.getElementById(what).style.display=="none"){
document.getElementById(what).style.display="block";
}
else{
document.getElementById(what).style.display="none";
}
}