/**
 * Index.js
 * 
 * Author:  gautier.ringeisen@dalim.com
 * Company: Dalim Software GmbH
 */

var currentrow   = null;
var interval     = null;
var timeout      = null;
var currentcolor = new Array(255, 255, 255);
var finalcolor   = new Array(181, 213, 255);
var step         = 0.0;

function onMouseOver( row )
{
	if(timeout != null) {
		clearTimeout(timeout);
		timeout = null;
	}
	
	if(currentrow == row)
		return;
	
	if(currentrow != null)
		 backToWhite();
	
	if(interval != null) {
		clearInterval(interval);
		interval = null;
	}
	
	currentcolor = new Array(255, 255, 255);
	step         = 5.0;
	currentrow   = row;
	interval     = setInterval('fadeToBlue()', 50);
	
	//row.style.backgroundImage = 'url(./index.html?file=degrade.jpg&ctype=image/jpeg)';
}

function onMouseOut( row )
{
	timeout = setTimeout('backToWhite()', 100);
}

function backToWhite()
{
	if(currentrow == null)
		return;

	if(interval != null) {
		clearInterval(interval);
		interval = null;
	}
	
	currentrow.style.backgroundColor = 'white';
	currentrow.style.backgroundImage = 'none';
	currentrow = null;
}

function openURL( event, url )
{
	if(window.event != null)
		event = window.event;
	
	try {
		event.cancelBubble = true;
	} catch(e) {
		// ...
	}
	
	if(event) {
		if(event.stopPropagation)
			event.stopPropagation();
	    if(event.preventDefault)
	    	event.preventDefault();
	}
    
	window.top.document.location.href = url;
}

function fadeToBlue()
{
	if(timeout != null) {
		clearTimeout(timeout);
		timeout = null;
	}
	
	if(currentrow == null)
		return;
	
	currentcolor[0] = Math.max(0, Math.min(255, currentcolor[0] + Math.ceil((finalcolor[0] - currentcolor[0]) / step)));
	currentcolor[1] = Math.max(0, Math.min(255, currentcolor[1] + Math.ceil((finalcolor[1] - currentcolor[1]) / step)));
	currentcolor[2] = Math.max(0, Math.min(255, currentcolor[2] + Math.ceil((finalcolor[2] - currentcolor[2]) / step)));
	
	currentrow.style.backgroundColor = 'rgb(' + currentcolor[0] + ', ' + currentcolor[1] + ', ' + currentcolor[2] + ')';
	
	step = step - 1.0;
	
	if(step <= 0 && interval != null) {
		clearInterval(interval);
		interval = null;
	}
}