// mouseover preloads
var mouseovers = new Array();
if (document.images) {
	var mouseoversList = new Array('our_integration_philosophy', '2000x_at_npe', 'enhanced_features', 'performance_large', 'process_control_large', 'communications_large', 'ease_of_use_large', 'performance_small', 'process_control_small', 'communications_small', 'ease_of_use_small');
	for (var i=0; i<mouseoversList.length; i++) {
		mouseovers[mouseoversList[i]+'Off'] = new Image();
		mouseovers[mouseoversList[i]+'Off'].src = "/images/nav/"+mouseoversList[i]+'_off.gif';
		mouseovers[mouseoversList[i]+'On'] = new Image();
		mouseovers[mouseoversList[i]+'On'].src = "/images/nav/"+mouseoversList[i]+'_over.gif';
		mouseovers[mouseoversList[i]+'Active'] = new Image();
		mouseovers[mouseoversList[i]+'Active'].src = "/images/nav/"+mouseoversList[i]+'_active.gif';
	}
}

// mouseover image functions
function imgOn(imgName) {
    // don't turn on current page's nav link
    if (document.images && (imgName != curPage) && (imgName != curSect)) { document[imgName].src = mouseovers[imgName+'On'].src; }
}

function imgOff(imgName) {
    // don't turn off current page's nav link
    if (document.images && (imgName != curPage) && (imgName != curSect)) { document[imgName].src = mouseovers[imgName+'Off'].src; }
}

var curSect = "";