function calculateTonnage() {
	tonage = ( ((($("#job_calculator #length").val() * $("#job_calculator #width").val() ) / 9 ) * .0556 ) * $("#job_calculator #thickness").val()).toFixed(3);
	
	$("#job_calculator #tons_required_result").html(tonage + " Tons Required")
}


function ShowHide(elementID) {
	$("#" + elementID).slideToggle();	
}

$(document).ready(function(){
	$("#job_calculator #length").change(function(){calculateTonnage();});	
	$("#job_calculator #width").change(function(){calculateTonnage();});	
	$("#job_calculator #thickness").change(function(){calculateTonnage();});
	$("#job_calculator #calculate").click(function(){calculateTonnage();});
});