// 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|43.87';
		size_desc_array[0] = '3" - $43.87';
		size_array[1] = '4|44.76';
		size_desc_array[1] = '4" - $44.76';
		size_array[2] = '5|47.07';
		size_desc_array[2] = '5" - $47.07';
		size_array[3] = '5.5|53.01';
		size_desc_array[3] = '5.5" - $53.01';
		size_array[4] = '6|49.88';
		size_desc_array[4] = '6" - $49.88';
		size_array[5] = '6.5|55.45';
		size_desc_array[5] = '6.5" - $55.45';
		size_array[6] = '7|51.54';
		size_desc_array[6] = '7" - $51.54';
		size_array[7] = '7.5|61.10';
		size_desc_array[7] = '7.5" - $61.10';
		size_array[8] = '8|53.62';
		size_desc_array[8] = '8" - $53.62';
	} else {
		size_array[0] = '3|41.93';
		size_desc_array[0] = '3" - $41.93';
		size_array[1] = '4|42.34';
		size_desc_array[1] = '4" - $42.34';
		size_array[2] = '5|42.77';
		size_desc_array[2] = '5" - $42.77';
		size_array[3] = '5.5|43.87';
		size_desc_array[3] = '5.5" - $43.87';
		size_array[4] = '6|42.86';
		size_desc_array[4] = '6" - $42.86';
		size_array[5] = '6.5|45.36';
		size_desc_array[5] = '6.5" - $45.36';
		size_array[6] = '7|47.06';
		size_desc_array[6] = '7" - $47.06';
		size_array[7] = '7.5|48.98';
		size_desc_array[7] = '7.5" - $48.98';
		size_array[8] = '8|50.76';
		size_desc_array[8] = '8" - $50.76';
	}
	
	 var size_dropdown = document.forms[2].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]);
        }
    }
    
    $('calculate').disabled = false;
	
}

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;	
}