ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

function init() {
	//if (ie4)	{
		clsCh = clsChair.style
		opnCh = opnChair.style
		clsDe = clsDesk.style
		opnDe = opnDesk.style
		clsWo = clsWork.style
		opnWo = opnWork.style
		clsDr = clsDraw.style
		opnDr = opnDraw.style
		clsBo = clsBoard.style
		opnBo = opnBoard.style
		clsRe = clsRcpt.style
		opnRe = opnRcpt.style
		clsAc = clsAcce.style
		opnAc = opnAcce.style
		clsSt = clsStor.style
		opnSt = opnStor.style
//		clsPa = clsPart.style
//		opnPa = opnPart.style
//		clsCu = clsCust.style
//		opnCu = opnCust.style
		//}
	if (ns4)	{
		clsCh = document.clsChair
		opnCh = document.opnChair
		clsDe = document.clsDesk
		opnDe = document.opnDesk
		clsWo = document.clsWork
		opnWo = document.opnWork
		clsDr = document.clsDraw
		opnDr = document.opnDraw
		clsBo = document.clsBoard
		opnBo = document.opnBoard
		clsRe = document.clsRcpt
		opnRe = document.opnRcpt
		clsAc = document.clsAcce
		opnAc = document.opnAcce
		clsSt = document.clsStor
		opnSt = document.opnStor
//		clsPa = document.clsPart
//		opnPa = document.opnPart
//		clsCu = document.clsCust
//		opnCu = document.opnCust
		}
}

function changeLayer(showObj,hideObj)	{
    if (ns4)	{
		showObj.visibility = "show"
		hideObj.visibility = "hide"	
	} else {
		showObj.visibility = "visible"
		hideObj.visibility = "hidden"	
	}
}