function opacity( opacStart, opacEnd ) 
{
	var speed = 10;
	var timer = 0;
	
	if( opacStart > opacEnd )
	{
		for( i = opacStart; i >= opacEnd; i-- ) 
		{
			setTimeout( "changeOpac(" + i + ")", (timer * speed) );
			timer++;
		}
	}
	else if( opacStart < opacEnd ) 
	{
		for( i = opacStart; i <= opacEnd; i++ )
		{
			setTimeout( "changeOpac(" + i + ")", (timer * speed) );
			timer++;
		}
	}
} 
function changeOpac( opacity ) 
{
	var object = document.getElementById( "content" ).style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100); 
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}	
function change( name )
{
	var elem = document.getElementById( "content" );
//	changeOpac( 0 );

	elem.src = "page.php?page=" + name;
//	opacity( 0, 100 );
}