function getObj(name)
{
	if (document.getElementById) {
		this.obj = document.getElementById(name);
		this.style = document.getElementById(name).style;
	}
	else if (document.all) {
		this.obj = document.all[name];
		this.style = document.all[name].style;
	}
}


function getWinSize()
{
	var iWidth = 0, iHeight = 0;
	
	if (document.documentElement && document.documentElement.clientHeight) {
		iWidth = parseInt(window.innerWidth,10);
		iHeight = parseInt(window.innerHeight,10);
	}
	else if (document.body) {
		iWidth = parseInt(document.body.offsetWidth,10);
		iHeight = parseInt(document.body.offsetHeight,10);
	}
	
	return { width:iWidth, height:iHeight};
}


function resize_id(obj)
{
	var oContent = new getObj(obj);
	var oWinSize = getWinSize();
	
	if ((oWinSize.height - parseInt(oContent.obj.offsetTop,10))>0)
		oContent.style.height = (oWinSize.height - parseInt(oContent.obj.offsetTop,10));
}


function move_id(obj)
{
	var oContent = new getObj(obj);
	var oWinSize = getWinSize();
	
	oContent.style.left = oWinSize.width / 2 - 190;
	//oContent.style.top = oWinSize.height / 2 - 240;
}


window.onresize = function() { move_id('textdiv'); }
//window.onload = function() { move_id('textdiv'); }