var aAmountCells = getElementsByClassName(tablePrices, "td", "chooseNumber");

// Assign onclick and onchange events
	
	var imgPlus = document.getElementById("routeHoursUp");
	imgPlus.onclick = function() {
		var inputAmount = document.getElementById("hours");
		if(inputAmount.value.charAt(0) == '0') {
			inputAmount.value = inputAmount.value.substr(1,1);
		}
		if(parseInt(inputAmount.value) < 23) {
			newAmount = parseInt(inputAmount.value) + 1; 
		} else {
			newAmount = 0;
		}
		newAmount = newAmount.toString();
		if(newAmount.length == 1) {
			newAmount = "0"+newAmount;
		}
		inputAmount.value = newAmount;
	}

	var imgMinus = document.getElementById("routeHoursDown");
	imgMinus.onclick = function() {
		var inputAmount = document.getElementById("hours");
		if(inputAmount.value.charAt(0) == '0') {
			inputAmount.value = inputAmount.value.substr(1,1);
		}
		if(parseInt(inputAmount.value) > 0) {
			newAmount = parseInt(inputAmount.value) - 1;
		} else {
			newAmount = 23;
		}
		newAmount = newAmount.toString();
		if(newAmount.length == 1) {
			newAmount = "0"+newAmount;
		}
		inputAmount.value = newAmount; 
	}
	
	var imgPlus = document.getElementById("routeMinUp");
	imgPlus.onclick = function() {
		var inputAmount = document.getElementById("minutes");
		if(inputAmount.value.charAt(0) == '0') {
			inputAmount.value = inputAmount.value.substr(1,1);
		}
		if(parseInt(inputAmount.value) < 59) {
		newAmount = parseInt(inputAmount.value) + 1; 
		} else {
			newAmount = 0;
		}
		newAmount = newAmount.toString();
		if(newAmount.length == 1) {
			newAmount = "0"+newAmount;
		}
		inputAmount.value = newAmount;
	}

	var imgMinus = document.getElementById("routeMinDown");
	imgMinus.onclick = function() {
		var inputAmount = document.getElementById("minutes");
		if(inputAmount.value.charAt(0) == '0') {
			inputAmount.value = inputAmount.value.substr(1,1);
		}
		if(parseInt(inputAmount.value) > 0) {
			newAmount = parseInt(inputAmount.value) - 1;
		} else {
			newAmount = 59;
		}
		newAmount = newAmount.toString();
		if(newAmount.length == 1) {
			newAmount = "0"+newAmount;
		}
		inputAmount.value = newAmount;
	}