oldLayer = ""

function showLayer(layerName)
{
	//hide the old layer
	if (oldLayer)	// we need to make sure it's not 
	{			// the visitor's first click
		document.layers [oldLayer].visibility = 'hidden'
		
	//make the correct layer visible
	
	document.layers [layerName].visibility = 'visible'
	oldLayer = layerName
	}
}



// environment variables

var b = (navigator.appName);
var bIE = (navigator.appName.indexOf("Explorer",0) != -1) ? 1:0;
var bNN = (navigator.appName.indexOf("Netscape",0) != -1) ? 1:0;
var bXX = (!bIE && !bNN) ? 1:0;



var v = (bIE) ? parseFloat(navigator.userAgent.substring(30,34)) : parseFloat(navigator.userAgent.substring(8,12));

var v3 = (parseInt(v) == 3) ? 1:0;
var v4 = (parseInt(v) == 4) ? 1:0;
var v5 = (parseInt(v) == 5) ? 1:0;
var v6 = (parseInt(v) == 6) ? 1:0;

var os = navigator.platform;
var osMac = (os.indexOf("Mac",0) != -1) ? 1:0;
var osWin = (os.indexOf("Win",0) != -1) ? 1:0;
var osSun = (os.indexOf("Sun",0) != -1) ? 1:0;
var osLin = (os.indexOf("Linux",0) != -1) ? 1:0;
var osUni = (osSun || osLin) ? 1:0;
var osXXX = (!osMac && !osWin && !osSun && !osLin) ? 1:0;



var mac5 = (osMac && bIE && v5) ? 1:0;
// create preloaded images
function newImage(arg) {
     if (document.images) {
          rslt = new Image();
          rslt.src = arg;
          return rslt;
     }
}

// define preloaded images
var preloadFlag = false;
function preloadImages() {
     if (document.images) {
		// NAV images
		products_on = newImage("images/navProductsOn.gif");
		catalogs_on = newImage("images/navCatalogsOn.gif");
		technology_on = newImage("images/navTechnologyOn.gif");
		dataform_on = newImage("images/navDataformOn.gif");
		resources_on = newImage("images/navResourcesOn.gif");
		company_on = newImage("images/navCompanyOn.gif");
		home_on = newImage("images/navHomeOn.gif");
		register_on = newImage("images/navRegisterOn.gif");	

		// prevent this from working in Netscape 4.x
		if (bNN && v4) {
			preloadFlag = false;
		} else {
			preloadFlag = true;
		}
	}
}

// image swapping function
function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}


// layer switching

var lArr = new Array();		// generic layer array for switching
var lArr_on = 0;			// don't keep initiating
var timer = 0;				// turns off layers



function setTimer(number) {
	timer = number;
}

function startTimer(group,l) {
	setTimer(1);
	functionName = "checkTimer('" + group + "'," + l + ")";
	if (bNN && v4) setTimeout(functionName, 2500);
	else setTimeout(functionName, 100);
}

function checkTimer(group,l) {
	if (timer==1) {
		LayerSwitchAllOff(group,l)
	}
}



function LayerSwitchAllOff(group,l) {
	// initiate array first time through...
	if(!lArr_on) {
		lArrInit(group,l);
	}

	// hide all layers in group

	for (var i = 0; i < l; i++) {
		pm_layerHide(lArr[i]);
	}
}



function N4xLayerSwitch(target_idx,group,l) {
	if (bNN && v4) LayerSwitch(target_idx,group,l);
}

	

function LayerSwitch(target_idx,group,l) {

	// initiate array first time through...

	if(!lArr_on) {
		lArrInit(group,l);
	}

	// hide all layers in group

	for (var i = 0; i < l; i++) {
		pm_layerHide(lArr[i]);
	}

	// show the layer you want

	pm_layerShow(lArr[target_idx]);

	// reset lArr_on at the end of the function
	lArr_on = 0;
}



// initiate array first time through...

function lArrInit(group,l) {
	for(var i = 0; i < l; i++) {
		lArr[i] = group+i;
	}
	lArr_on = 1;
}



// show the layer you want

function pm_layerShow(targetLayer) {	
	if(bIE) {
		document.all[targetLayer].style.visibility = 'visible';
	}
	if(bNN) {
		if(v5) {
			document.getElementById(targetLayer).style.visibility = 'visible';
		} else {
			document.layers[targetLayer].visibility = 'visible';
		}
	}
}



// hide all layers in group

function pm_layerHide(targetLayer) {
	if(bIE) {
		document.all[targetLayer].style.visibility = 'hidden';
	}
	if(bNN) {
		if(v5) {
			document.getElementById(targetLayer).style.visibility = 'hidden';
		} else {
			document.layers[targetLayer].visibility = 'hidden';
		}
	}
}




function rollOver(obj, state) {

	if (preloadFlag == true) {

		if(bIE) {

				var obj = document.all[obj];

				var run = 1;

		}

		if(bNN) {

			if(v5) {

				var obj = document.getElementById(obj);

				var run = 1;

			} else {

				var run = 0;

			}

		}

		if (run) {

			var color;

			if (state==1) color="#D0181F";

			else color="#666666";

			obj.style.background=color;

		}

	}

}



CSStopExecution = false;
CSInit = new Array;
function CSScriptInit() {
idxArray = new Array;
for(var i=0;i<CSInit.length;i++)
	idxArray[i] = i;
CSAction2(CSInit, idxArray);
}
CSAg = window.navigator.userAgent; CSBVers = parseInt(CSAg.charAt(CSAg.indexOf("/")+1),10);
function IsIE() { return CSAg.indexOf("MSIE") > 0;}
function CSIEStyl(s) { return document.all.tags("div")[s].style; }
function CSNSStyl(s) { return CSFindElement(s,0); }
function CSFindElement(n,ly) { if (CSBVers < 4) return document[n];
	var curDoc = ly ? ly.document : document; var elem = curDoc[n];
	if (!elem) { for (var i=0;i<curDoc.layers.length;i++) {
		elem = CSFindElement(n,curDoc.layers[i]); if (elem) return elem; }}
	return elem;
}
function CSButtonReturn () {
	var bAgent = window.navigator.userAgent; 
	var bAppName = window.navigator.appName;
	if ((bAppName.indexOf("Explorer") >= 0) && (bAgent.indexOf("Mozilla/3") >= 0) && (bAgent.indexOf("Mac") >= 0))
		return false; // follow link
	else return true; // follow link
}
CSIm = new Object();
function CSIShow(n,i) {
	if (document.images) {
		if (CSIm[n]) {
			var img = (!IsIE()) ? CSFindElement(n,0) : document[n];
			if (img && typeof(CSIm[n][i].src) != "undefined") {img.src = CSIm[n][i].src;}
			if(i != 0)
				self.status = CSIm[n][3];
			else
				self.status = " ";
			return true;
		}
	}
	return false;
}
function CSILoad(action) {
	im = action[1];
	if (document.images) {
		CSIm[im] = new Object();
		for (var i=2;i<5;i++) {
			if (action[i] != '') { CSIm[im][i-2] = new Image(); CSIm[im][i-2].src = action[i]; }
			else CSIm[im][i-2] = 0;
		}
		CSIm[im][3] = action[5];
	}
}
CSStopExecution = false;

function CSAction(array) { 
	return CSAction2(CSAct, array);
}
function CSAction2(fct, array) { 
	var result;
	for (var i=0;i<array.length;i++) {
		if(CSStopExecution) return false; 
		var actArray = fct[array[i]];
		var tempArray = new Array;
		for(var j=1;j<actArray.length;j++) {
			if((actArray[j] != null) && (typeof(actArray[j]) == "object") && (actArray[j].length == 2)) {
				if(actArray[j][0] == "VAR") {
					tempArray[j] = CSStateArray[actArray[j][1]];
				}
				else {
					if(actArray[j][0] == "ACT") {
						tempArray[j] = CSAction(new Array(new String(actArray[j][1])));
					}
				else
					tempArray[j] = actArray[j];
				}
			}
			else
				tempArray[j] = actArray[j];
		}			
		result = actArray[0](tempArray);
	}
	return result;
}
CSAct = new Object;


CSInit[CSInit.length] = new Array(CSILoad,/*CMP*/'button',/*URL*/'images/navigation/primary/home.gif',/*URL*/'images/navigation/primary/home_on.gif',/*URL*/'','');
CSInit[CSInit.length] = new Array(CSILoad,/*CMP*/'button2',/*URL*/'images/navigation/primary/siteMap.gif',/*URL*/'images/navigation/primary/siteMap_on.gif',/*URL*/'','');