<!--
// browser compatibility check
if (!(document.getElementById || document.all || document.layers)) {
	// redirect to browser incompatibility page
	//alert('please upgrade your browser');
}
var ie = (document.all) ? 1 : 0;
var ns4 = (document.layers) ? 1 : 0;
var ns6 = (document.getElementById) ? 1 : 0;

// pre-load images
function pageInit(){
	loadImgs();
}
// function to load rollover images
var loaded = 0;
function loadImgs(){
	var n1Imgs    = new Array();
		n1Imgs[0] = 'products';
		n1Imgs[1] = 'service';
		n1Imgs[2] = 'surplus';
		n1Imgs[3] = 'whatsnew';
		n1Imgs[4] = 'contact';
	
	var prImgs    = new Array();
		prImgs[0] = 'air';
		prImgs[1] = 'auto';
		prImgs[2] = 'elec';
		prImgs[3] = 'pump';
		
		var loadedImg1 = new Array();
		var loadedImg2 = new Array();
		var loadedImg3 = new Array();
		
		// declare nav images
		for (i=0; i < n1Imgs.length; i++ ) {
		  	loadedImg1[i] = new Image();
		  	loadedImg1[i].src = 'images/n1_'+n1Imgs[i]+'_on.gif';
		}
		// declare product rollover images
		for (j=0; j < prImgs.length; j++ ) {
		  	loadedImg2[j] = new Image();
		  	loadedImg2[j].src = 'images/txt_prod_'+prImgs[j]+'_on.gif';
		  	loadedImg3[j] = new Image();
		  	loadedImg3[j].src = 'images/pic_prod_'+prImgs[j]+'_on.gif';
		}
	loaded = 1;
}

// function to do site rollovers
function roll(img,state){
	if (loaded > 0){
		document.images[img].src = state ? 'images/'+img+'_on.gif':'images/'+img+'_off.gif';
	}
}

// function to do product rollovers
function pRoll(img,state){
	var picImg = 'pic_'+img;
	var txtImg = 'txt_'+img;
	if (loaded > 0){
		document.images[picImg].src = state ? 'images/'+picImg+'_on.gif':'images/'+picImg+'_off.gif';
		document.images[txtImg].src = state ? 'images/'+txtImg+'_on.gif':'images/'+txtImg+'_off.gif';
	}
}

// function to open popup
function openPop(url){
	var wOpts = 'height=600,width=800,directories=yes,location=yes,menubar=yes,resizable=yes,scrollbars=yes,toolbar=yes,status=yes,screenX=50,screenY=50,left=50,top=50';
	var pWin = window.open(url,'brandWin',wOpts);
	if (window.focus) pWin.focus();
}

// function to open Surplus popup
function openSurplus(url){
	var wOpts = 'height=640,width=528,resizable=yes,scrollbars=yes,screenX=50,screenY=50,left=50,top=50';
	var surplusWin = window.open(url,'brandWin',wOpts);
	if (window.focus){
		surplusWin.focus();
	}
}
//-->