function checkBrowser()
{
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}

bw=new checkBrowser()
//With nested layers for netscape, this function hides the layer if it's visible and visa versa

function setActivePage()
{
	if (document.getElementById('pageID'))
		{
		var varPage = document.getElementById('pageID').value;
		
		if (document.getElementById(varPage))
			{
			obj = document.getElementById(varPage);
			obj.removeAttribute("href");
			obj.className = "mainnavSelected";
			
			if (varPage == 'chemicalPage' || varPage == 'chemicalRVPage')
				initChemicalPage();
			}
		}
}

function hideContent(varObjName)
{
	if (document.getElementById(varObjName))
		{
		document.getElementById(varObjName).style.display = 'none';
		}
}


function showContent(varObjName)
{
	if (document.getElementById(varObjName))
		document.getElementById(varObjName).style.display = 'block';
}

function resetContentButton(varObjName)
{
	if (document.getElementById(varObjName))
		{
		var objButton = document.getElementById(varObjName);
		objButton.style.background = 'white';
		objButton.style.border = 'none';
		objButton.style.borderBottom = 'solid 1px #CCCCCC';
		}
}

function resetContentImage(varObjName)
{
	if (document.getElementById(varObjName))
		{
		var objButton = document.getElementById(varObjName);
		objButton.style.border = 'solid 2px #cccccc';
		}
}

function showChemicalContent(objItem, varButton, varContent)
{
	hideContent('chemicalMainContent');
	hideContent('interiorContent');
	hideContent('paintContent');
	hideContent('rustContent');
	hideContent('undercoatContent');
	hideContent('maintenanceKitContent');
	showContent(varContent);
	
	resetContentButton('interiorButton');
	resetContentButton('paintButton');
	resetContentButton('rustButton');
	resetContentButton('undercoatButton');	
	resetContentButton('maintenanceKitButton');
	
	resetContentImage('interiorImage');
	resetContentImage('paintImage');
	resetContentImage('rustImage');
	resetContentImage('undercoatImage');	
	resetContentImage('maintenanceKitImage');
	
	if (document.getElementById(varButton))
		{
		var objButton = document.getElementById(varButton);
		objButton.style.background = '#EAEAEA';
		objButton.style.borderBottom = 'none';
		if (varButton != 'interiorButton')
			objButton.style.borderLeft = 'solid 1px #CCCCCC';
		if (varButton != 'maintenanceKitButton')
			objButton.style.borderRight = 'solid 1px #CCCCCC';
		}
		
	objItem.style.border = "solid 2px #FF0000";
}

function initChemicalPage()
{
	var parm = document.location.search;	
	
	if (parm == '?interior')
		{
		if (document.getElementById('interiorImage'))
			showChemicalContent(document.getElementById('interiorImage'), 'interiorButton', 'interiorContent');	
		}
	else if (parm == '?paint')
		{
		if (document.getElementById('paintImage'))
			showChemicalContent(document.getElementById('paintImage'), 'paintButton', 'paintContent');	
		}
	else if (parm == '?rust')
		{
		if (document.getElementById('rustImage'))
			showChemicalContent(document.getElementById('rustImage'), 'rustButton', 'rustContent');	
		}	
	else if (parm == '?undercoat')
		{
		if (document.getElementById('undercoatImage'))
			showChemicalContent(document.getElementById('undercoatImage'), 'undercoatButton', 'undercoatContent');	
		}	
	else if (parm == '?maintenacekit')
		{
		if (document.getElementById('maintenanceKitImage'))
			showChemicalContent(document.getElementById('maintenanceKitImage'), 'maintenanceKitButton', 'maintenanceKitContent');	
		}
}