var isDHTML = 0;
var isID = 0;
var isAll = 0;
var isLayers = 0;

if(document.getElementById)
{
	isID = 1;
	isDHTML = 1;
}
else
{
	if(document.all)
	{
		isAll = 1;
		isDHTML = 1;
	}
	else
	{
		browserVersion = parseInt(navigator.appVersion);
		if((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4))
		{
			isLayers = 1;
			isDHTML = 1;
		}
	}
}


function findDOM(objectID, withStyle)
{
	if(withStyle == 1)
	{
		if(isID)
			return document.getElementById(objectID).style;
		else if(isAll)
			return document.all[objectID].style;
		else if(isLayers)
			return document.layers[objectID];
	}
	else
	{
	 	if(isID)
			return document.getElementById(objectID);
		else if(isAll)
			return document.all[objectID];
		else if(isLayers)
			return document.layers[objectID];
	}
}

function findDOMByName(objectID)
{
	if(isID)
		return document.getElementsByName(objectID);
	else if(isAll)
		return document.all[objectID];
	else if(isLayers)
		return document.layers[objectID];
}

function loadDiv(obj,divString)
	{
	if(isID)
		{
		obj.innerHTML = divString;
		}
	else if(isAll)
		{
		obj.innerHTML = divString;
		}
	else if(isLayers)
		{
		obj.document.open();		
		obj.document.write(divString);
		obj.document.close();
		}
	}

function showDiv(obj)
	{
	if(isID)
		{
		obj.style.visibility = "visible";
		}
	else if(isAll)
		{
		obj.style.visibility = "visible";
		}
	else if(isLayers)
		{
		obj.visibility = "show";
		}
	}

function hideDiv(obj)
	{
	if(isID)
		{
		obj.style.visibility = "hidden";
		}
	else if(isAll)
		{
		obj.style.visibility = "hidden";
		}
	else if(isLayers)
		{
		obj.visibility = "hide";
		}
	}

function setDivPos(obj,xPos,yPos)
	{
	if(isID)
		{
		obj.style.top = yPos;
		obj.style.left = xPos;
		}
	else if(isAll)
		{
		obj.style.top = yPos;
		obj.style.left = xPos;
		}
	else if(isLayers)
		{
		obj.top = yPos;
		obj.left = xPos;
		}

	}

function getTextLength(id,string)
	{
	elem = findDOM(id);
	if(elem != null)
		{
		loadDiv(elem,string);
//		alert(string+" length = "+elem.offsetWidth);
		return elem.offsetWidth;
		}
	return 0;
	}