/*

xFlow!

Created by Paul Whitrow - www.pwhitrow.com

xFlow! Software License - see xFlow! Software License.html in the xFlow! root directory

*/


function XFLOW_addLoadEvent(func) 
{
    var oldonload = window.onload;
    if (typeof window.onload != 'function') 
	{
		window.onload = func;
	}
    else 
	{
        window.onload = function() 
			{
				if (oldonload) oldonload();
				func();
			}
    }
} 

function XFLOW_overlay(show, msg)
{
	var overlay = document.getElementById('xflow_overlay');

	if(msg)
	{
		overlay.innerHTML = msg;
	}

	if(show)
	{

		overlay.style.display = 'block';
	}
	else
	{
		overlay.style.display = 'none';
	}
}

function XFLOW_toggleHelp(obj)
{
	var el = document.getElementById(obj); 
	el.style.display = (el.style.display != "none" ? "none" : "block" );
}