var prev2 = 0;

function efTab( x ) {
	efClose( prev2 );
	prev2 = x;
	x--;
	start = x * 4;
	end = start + 4;

	for( i = start ; i < end ; i++ ) {
		if( document.getElementById("prv_"+i) ) {
			document.getElementById("prv_"+i).style.display = "block";
		}
	}
}

function efClose( x ) {
	if( ! x ) return;

	x--;
	start = x * 4;
	end = start + 4;
	
	for( i = start ; i < end ; i++ ) {
		if( document.getElementById("prv_"+i) ) {
			document.getElementById("prv_"+i).style.display = "none";
		}
	}
}

function loadEffect( n, w, h ) {
	document.write("<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0' width='"+w+"' height='"+h+"' id='"+n+"' align='middle'><param name='allowScriptAccess' value='sameDomain'><param name='movie' value='/swf/"+n+".swf'><param name='quality' value='high'><param name='bgcolor' value='#cfd3de'><embed src='/swf/"+n+".swf' quality='high' bgcolor='#cfd3de' width='"+w+"' height='"+h+"' name='"+n+"' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer'></object>");
}

function goToUrl( loc ) {
	location.href = 'http://flashrandomeffects.webarticles.org' + loc;
}