function triggerResize()
{
	resizeMainContainer(1000);
}
function resizeMainContainer( intheight )
{
	document.getElementById('center_container').height=intheight;
}
function resizeBottom( intheight )
{
	document.getElementById('bottom_square1').height=intheight;
	document.getElementById('bottom_square2').height=intheight;
	document.getElementById('bottom_square3').height=intheight;
}
function triggerGadget()
{
	if( clicked == 0 )
	{
		clicked = 1;
		opacity('gadget',100,0,600);
		setTimeout("document.getElementById('center_title').innerHTML=''",610);
		setTimeout("document.getElementById('center_div').innerHTML=''",610);
		setTimeout("document.getElementById('gadget_caption').innerHTML=''",610);
		setTimeout('expand(300)',750);
	}
}
function expand( size )
{
	resizeMainContainer(size);
	
	
	size = size + 7;
	
	if( size < 700 )
	{
		setTimeout('expand('+size+')',5);
	}
	else
	{
		document.getElementById('center_div').align="left";
		document.getElementById('center_div').innerHTML="<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img  src='img/visiongadget-small.png' id='gadget' width='1' height='1'><br><br><br><div class='body_text' id='center_title'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div>";
		opacity('gadget',0,100,500);
		setTimeout("document.getElementById('gadget').width='100'",5);
		setTimeout("document.getElementById('gadget').height='100'",5);
		setTimeout("displayText(0)",500);
	}
}
function clearInput()
{
	document.form1.input.value="";
}
function displayText(letter)
{
	var text = "Introducing the VisionGadget. The most advanced personal multitool in Second Life. It is the Gadget that is designed for you, and will continue to develop as you want it to.";
	if( text.substr( letter, 1 ) != "" )
	{
			var display = text.substr( letter, 1 );
			var delay = 20;
			if( display == "." )
			{
				delay = 50;
				display = ".<br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
			}
			if( display == "," )
			{
				delay = 50;
			}
			if( display == " " )
			{
				display = "&nbsp;";
			}
			document.getElementById('center_title').innerHTML+=display;
			letter++;
			setTimeout("displayText('"+letter+"')",delay);
	}
	else
	{
		document.getElementById('center_title').innerHTML+='<center><table width="830" border="0"><tr><td width="400" align="center" height="400" valign="top"><br>&nbsp;&nbsp;&nbsp;&nbsp;<img src="img/script.png" onmouseover="opacity(\'script\',70,100,300)" onmouseout="opacity(\'script\',100,70,300)" width="1" height="1" id="script" /><br><br>&nbsp;&nbsp;&nbsp;&nbsp;<img src="img/build.png" onmouseover="opacity(\'build\',70,100,300)" onmouseout="opacity(\'build\',100,70,300)" width="1" height="1" id="build" /><br><br>&nbsp;&nbsp;&nbsp;&nbsp;<img src="img/hang.png" width="1" height="1" onmouseover="opacity(\'hang\',70,100,300)" onmouseout="opacity(\'hang\',100,70,300)" id="hang" /><br><br>&nbsp;&nbsp;&nbsp;&nbsp;<img src="img/features.png" width="1" height="1" onmouseover="opacity(\'features\',70,100,300)" onmouseout="opacity(\'features\',100,70,300)" id="features" /></td><td background="" width="400" align="center"><img src="img/avatar.png" width="1" height="1" id="avatar"></td></tr></table>';
		
		
		fadeIn( 'script', 350, 70, 0, 70, 800, 800 );
		fadeIn( 'build', 350, 70, 0, 70, 800, 1100 );
		fadeIn( 'hang', 350, 70, 0, 70, 800, 1400 );
		fadeIn( 'features', 350, 70, 0, 70, 800, 1700 );
		fadeIn( 'avatar', 88, 312, 0, 100, 800, 400 );
	}
}

function fadeIn( id, width, height, start, end, speed, time )
{
	setTimeout("opacity('"+id+"',"+start+","+end+","+speed+")",time);
	setTimeout("document.getElementById('"+id+"').height='"+height+"'",time+10);
	setTimeout("document.getElementById('"+id+"').width='"+width+"'",time+10);
	setTimeout("document.getElementById('script').style.filter = \"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='img/"+id+".png')\"",time+speed+15);
}
	
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 + ")";
}

function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it ivisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}

function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}