// Get years
function getsize_IEL(m) {
	var angle = $('angle').value;
	$('angle').disabled = true;
	$('size').disabled = false;
	
	var size_array = new Array();
	var size_desc_array = new Array();
	
	if (angle == '90'){
		size_array[0] = '3|38.83';
		size_desc_array[0] = '3" - $38.83';
		size_array[1] = '4|40.89';
		size_desc_array[1] = '4" - $40.89';
		size_array[2] = '5|50.08';
		size_desc_array[2] = '5" - $50.08';
		size_array[3] = '5.5|49.97';
		size_desc_array[3] = '5.5" - $49.97';
		size_array[4] = '6|50.97';
		size_desc_array[4] = '6" - $50.97';
		size_array[5] = '6.5|52.23';
		size_desc_array[5] = '6.5" - $52.23';
		size_array[6] = '7|54.82';
		size_desc_array[6] = '7" - $54.82';
		size_array[7] = '7.5|57.46';
		size_desc_array[7] = '7.5" - $57.46';
		size_array[8] = '8|54.97';
		size_desc_array[8] = '8" - $54.97';
	} else {
		size_array[0] = '3|37.19';
		size_desc_array[0] = '3" - $37.19';
		size_array[1] = '4|37.54';
		size_desc_array[1] = '4" - $37.54';
		size_array[2] = '5|39.13';
		size_desc_array[2] = '5" - $39.13';
		size_array[3] = '5.5|40.10';
		size_desc_array[3] = '5.5" - $40.10';
		size_array[4] = '6|41.67';
		size_desc_array[4] = '6" - $41.67';
		size_array[5] = '6.5|42.89';
		size_desc_array[5] = '6.5" - $42.89';
		size_array[6] = '7|44.46';
		size_desc_array[6] = '7" - $44.46';
		size_array[7] = '7.5|46.24';
		size_desc_array[7] = '7.5" - $46.24';
		size_array[8] = '8|48.01';
		size_desc_array[8] = '8" - $48.01';
	}
	
	 var size_dropdown = document.forms[1].size;
        if (size_array.length > 1) {
        for (i=0;i<size_array.length;i++) {
           size_dropdown.options[i] = new Option(size_desc_array[i], size_array[i]);
        }
    }
	
}

function activate_IEL(m) {
	var size = m.options[m.selectedIndex].value;
	var size_split = size.split('|');
	var real_size = size_split[0];
	var price = size_split[1];
	
	$('real_size').value = real_size;
	$('price').value = price;
	
	$('calculate').disabled = false;
}


function resetForm_IEL() {
	$('angle').disabled = false;
	$('size').disabled = true;
}

function checkForm_IEL() {
	
	
	var error = false;
	if ( $('angle').value == "" || $('real_size').value == "" || $('price').value == "" ) {
		error = true;
	}
	
	if (error == true) {
		alert("You are required to select an angle and size.");
		return false;
	}
		
	$('angle').disabled = false;
	$('size').disabled = false;
	$('price').disabled = false;
	
	return true;	
}