/*
 * Advanced color controls
 * Copyright (C) Josiah Larson 2008
 */

var r = 0;
var g = 0;
var b = 0;
var r_index = 0;
var g_index = 0;
var b_index = 0;

function validateAlpha()
{
	if (this.advancedColors.alpha_value.value > 1.0 )
		this.advancedColors.alpha_value.value = 1.0
	else if (this.advancedColors.alpha_value.value < 0.0 )
		this.advancedColors.alpha_value.value = 0.0
}

function setAdvancedColor(e)
{
	var box = (e.target) ? e.target : e.srcElement;
	if ( box.id.substring(0,1) == 'r' ) {
		r_index = box.id.substring(1,2);
		r = r_index * 51;
		//this.advancedColors.red_value.value = r;
	}
	if ( box.id.substring(0,1) == 'g' ) {
		g_index = box.id.substring(1,2);
		g = g_index * 51;
		//this.advancedColors.green_value.value = g;
	}
	if ( box.id.substring(0,1) == 'b' ) {
		b_index = box.id.substring(1,2);
		b = b_index * 51;
		//this.advancedColors.blue_value.value = b;
	}
	
	for (i = 0; i < 6; i++ )
	{
		if ( i == r_index )
			document.getElementById('r'+i).style.border = '4px solid #99D';
		else
			document.getElementById('r'+i).style.border = '4px solid #333';
		
		if ( i == g_index )
			document.getElementById('g'+i).style.border = '4px solid #99D';
		else
			document.getElementById('g'+i).style.border = '4px solid #333';

		if ( i == b_index )
			document.getElementById('b'+i).style.border = '4px solid #99D';
		else
			document.getElementById('b'+i).style.border = '4px solid #333';			
			
		document.getElementById('r'+i).style.backgroundColor = 'rgb( '+i*51+','+g+','+b+')';
		document.getElementById('g'+i).style.backgroundColor = 'rgb( '+r+','+i*51+','+b+')';
		document.getElementById('b'+i).style.backgroundColor = 'rgb( '+r+','+g+','+i*51+')';
	}
}