// + + +
// xLayers.js
// Div & layer manipulation related functions

function xGetTarget(xTarget)
{
	var xLV1;
	if(document.all && document.getElementById) xLV1 = document.all[xTarget];
	if(document.layers) xLV1 = document.layers[xTarget];
	if(document.addEventListener) xLV1 = document.getElementById(xTarget);
	return xLV1;
}

function xGetPosition(xTarget,xProp)
{
	var xLV1;
	if(xProp=='offsetLeft'){(!(document.layers))? xLV1 = xTarget.offsetLeft : xLV1 = xTarget.pageX;}
	if(xProp=='offsetTop'){(!(document.layers))? xLV1 = xTarget.offsetTop : xLV1 = xTargetpageY;}
		return xLV1;
}
	
function xSetPosition(xTarget,xLeft,xTop)
{
	(!(document.layers))? xTarget.style.left = xLeft+'px' : xTarget['left'] = xLeft;
	(!(document.layers))? xTarget.style.top = xTop+'px' : xTarget['top'] = xTop;
}

function xSetVisibility(xTarget,xValue)
{	
	(!(document.layers))? xTarget.style.visibility = xValue : xTarget['visibility'] = xValue;
}

function xGetNumByName(xString,xName)
{
	var xRegExp = new RegExp("^"+xName, "i") 
	var xNum = xString.replace(xRegExp,"");
	return xNum;
}

function xGetNumBySep(xString)
{
	return xString.substr(xString.indexOf('_')+1,xString.length-1);
}

function xGetNameBySep(xString)
{
	return xString.substr(0,xString.indexOf('_'));
}


function xPand(xTarget,xValue) {
	// Use on a link 
	// Example for toggle visibility : "javascript:xPand('test');"
	// Example for forced visibility : "javascript:xPand('test',1);"
	
	// Use of icon : 
	// Use the same target ID and add "_i" ex:
	// <img id="test_i" src="/images/icon.gif" alt="" border="0" /> 
	// the replaced image will be "icon_a.gif"
	
	if (typeof(xTarget) == "string") {
		xTargetName = xTarget;
		xIcon = xGetTarget(xTargetName+"_i");
		xTarget = xGetTarget(xTarget);
	} else {
		xRef = xTarget;
		xTargetName = xRef.id;
		xIcon = xGetTarget(xTargetName+"_i");
		xTarget = xGetTarget(xTargetName+"_c");
	}
	
	if (xValue && typeof(xTarget) == "object") {
		switch (xValue) {
			case 0: xTarget.style.display = "none";xTarget.xOpened = 0;break;
			case 1: xTarget.style.display = "block";xTarget.xOpened = 1;break;
		}
	} else {
		if (xTarget.xOpened && typeof(xTarget) == "object") {
			if (xTarget.xOpened == 1) {
				xTarget.style.display = "none";
				xTarget.xOpened = 0;
			} else {
				xTarget.style.display = "block";
				xTarget.xOpened = 1;
			}
			
		} else if (typeof(xTarget) == "object") {
			xTarget.style.display = "block";
			xTarget.xOpened = 1;
			if (xIcon) xIcon.oSrc = xIcon.src;
		}
	}
	
	if (xIcon && typeof(xTarget) == "object") {
		if (!xIcon.oSrc) xIcon.oSrc = xIcon.src;
		if (xTarget.xOpened == 1) {
			xSep = xIcon.oSrc.indexOf(".jpg");
			if (xSep < 0) xSep = xIcon.oSrc.indexOf(".gif");
			if (xSep > 0) {
				xIcon.src = xIcon.oSrc.substr(0,xSep) + "_a" + xIcon.oSrc.substr(xSep,xIcon.oSrc.length);
			}
		} else {
			xIcon.src = xIcon.oSrc;
		}
	}
}

function xPandInit() {

}