// Preload any rollover images here

// Global Navigation Buttons Array
// This array preloads every time, under the assumption that
// not everyone is going to enter the site via the home page.
btnGlobal = new Array (				
	"btn_about_on.gif",
	"btn_services_on.gif",
	"btn_news_on.gif",
	"btn_contact_on.gif",
	"btn_ballconstruction_on.gif",
	"nav_healthcare_on.gif",
	"nav_office_on.gif",
	"nav_hospitality_on.gif",
	"nav_banking_on.gif",
	"nav_planned_development_on.gif",
	"nav_warehouse_on.gif"
)

/* This function does the actual image rollover */

function changeIt(oImage){
	var sSrc = oImage.src;
	var iUnderscore = sSrc.lastIndexOf("_");
	var iDot = sSrc.lastIndexOf(".");
	var sState = sSrc.slice(iUnderscore, iDot);
	var sNewImg = sSrc.slice(0, iUnderscore);
	var sExtension = sSrc.slice(iDot);
	if(sState == "_off")
	{
					sNewImg = sNewImg + "_on" + sExtension;
					eval(oImage).src = sNewImg;
	}
	else
	{
					sNewImg = sNewImg + "_off" + sExtension;
					eval(oImage).src = sNewImg;
	}

}