// from index.php
function preloadimages()
{
	if ( document.images )
	{
		dummy1 = new Image(); dummy1.src = 'paintings_off.png';
		dummy2 = new Image(); dummy2.src = 'prints_off.png';
		dummy3 = new Image(); dummy3.src = 'photography_off.png';
		dummy4 = new Image(); dummy4.src = 'drawings_off.png';
		dummy5 = new Image(); dummy5.src = 'objects_off.png';
		dummy6 = new Image(); dummy6.src = 'info_off.png';
		dummy7 = new Image(); dummy7.src = 'events_off.png';
		dummy8 = new Image(); dummy8.src = 'collaborations_off.png';
		dummy9 = new Image(); dummy9.src = 'paintings_on.png';
		dummy10 = new Image(); dummy10.src = 'prints_on.png';
		dummy11 = new Image(); dummy11.src = 'photography_on.png';
		dummy12 = new Image(); dummy12.src = 'drawings_on.png';
		dummy13 = new Image(); dummy13.src = 'objects_on.png';
		dummy14 = new Image(); dummy14.src = 'info_on.png';
		dummy15 = new Image(); dummy15.src = 'events_on.png';
		dummy16 = new Image(); dummy16.src = 'collaborations_on.png';
	}
}
function setsrc( obj, src )
{
	obj.src = src;
}

// from drawings.php
/*function preloadimages()
{
	if ( document.images )
	{
	}
}

function setsrc( obj, src )
{
	obj.src = src;
}
*/
function modclass( obj, newclass )
{
	obj.className = newclass;
}
function hidepreview()
{
	document.getElementById('preview').style.visibility = 'hidden';
}
function showpreview()
{
	document.getElementById('preview').style.visibility = 'visible';
	document.getElementById('preview').style.top = document.body.scrollTop;
}
function preview( src, title, size )
{
	imgcode = "<img height=\"100%\" style=\"border : solid 8px #333; cursor : pointer\" src=\"" + src + "\" onclick=\"hidepreview();\"><br/><center><div class=\"title\">" + title + "<br/>";
	if ( size != '' )
	{
		imgcode += size + "<br/>";
	}
	imgcode += "<span class=\"prev\">click the image above to close this preview</span></center>"
	document.getElementById('preview').innerHTML = imgcode;
	showpreview();
}