// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// http://risujin.org/

var last_a_tag;

function show(tag, pic) {
	if (last_a_tag)
		last_a_tag.className = '';
	tag = document.getElementById(tag);
	last_a_tag = tag;
	tag.className = 'on';
	document.getElementById('sample').innerHTML="<img src=\""+pic+"\">";
}


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// view large samples

var newwindow;
function view(url)
{
  newwindow=window.open(url, 'name', 'height=700, width=550, resizable=0');
  if (window.focus) {newwindow.focus()}
}


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// toggle: show details, hide summary

function toggle(x,y) {
	if (document.getElementById(x).style.display == 'none') { 
		document.getElementById(x).style.display = 'block';
	} 
	else { 
		document.getElementById(x).style.display = 'none'; 
	}
	if (document.getElementById(y).style.display == 'block') { 
		document.getElementById(y).style.display = 'none';
	} 
	else { 
		document.getElementById(y).style.display = 'block'; 
	}
}


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Cross-browser BlendTrans Filter JavaScript
// http://brainerror.net/scripts/javascript/blendtrans/


function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}