function loadPage(url, target)
{
	var httpRequest = getXMLHttpRequest();
	if ( httpRequest == null)
	{
		alert("Internal Error: can not obtain XMLHttpRequest!");
		return;
	}

	httpRequest.onreadystatechange = pageLoadStateChange;
	httpRequest.open("GET", url, true);
	httpRequest.send(null);

	var XMLHTTPREQUEST_READY_STATE_UNINITIALIZED = 0;
	var XMLHTTPREQUEST_READY_STATE_LOADING       = 1;
	var XMLHTTPREQUEST_READY_STATE_LOADED        = 2;
	var XMLHTTPREQUEST_READY_STATE_INTERACTIVE   = 3;
	var XMLHTTPREQUEST_READY_STATE_COMPLETED     = 4;

	function pageLoadStateChange()
	{
		if (httpRequest.readyState == XMLHTTPREQUEST_READY_STATE_COMPLETED)
		{
			if(httpRequest.status == 200)
			{
				targetElement = document.getElementById(target);
				if(targetElement != null)
					targetElement.innerHTML = httpRequest.responseText;
				else
					alert("can not find target element: " + target);
			}
			else
				alert("Error loading page\n");
		}
	};
}
function loadIframe(url, target, width, height)
{
    var obj = document.getElementById("ifrmContents");
    if(obj != null)
    {
	   if (obj)
	    {
	        for (var i in obj)
	        {
	            if (typeof obj[i] == "function")
	            {
	            	obj[i] = null;
	            }
	        }
	        obj.parentNode.removeChild(obj);
	    }
    }
	var ifr = document.createElement('<IFRAME id="ifrmContents" name="ifrmContents" src="'+ url +'"  scrolling="no" frameborder="no"  width="'+ width +'" height="'+ height+ '"></IFRAME>');
	targetElement = document.getElementById(target);
	targetElement.appendChild(ifr);
	document.getElementById("contentsDiv").style.height = height;

}

function resizeTop(width , height)
{
	if(height < 600) height = 600;
	document.getElementById("ifrmContents").style.height = height + 10;
	document.getElementById("contentsDiv").style.height = height + 10;
}



function resizeFrame(fr)
{
	fr.setExpression('height', aaa.document.body.scrollHeight);
	fr.setExpression('width', aaa.document.body.scrollHeight);
}

//�ؽ�Ʈ �ڽ� auto tab ��n
function textAutoTab(currElm,nextElm,n)
{
	thisValue = document.all(currElm).value;
	nextControl = document.all(nextElm);
	if(thisValue.length==n)
	{
		nextControl.focus();
	}
}