navPreLoaded = false;
imageBox = new Object();

function PreLoad() {
	imageBox.btn = new Array();

	imageBox.btn['prod_serv'] = new Array();
	imageBox.btn['prod_serv']['on'] = new Image();
	imageBox.btn['prod_serv']['on'].src = '/images/qcom/nav/nav_prod_serv_roll.gif';
	imageBox.btn['prod_serv']['off'] = new Image();
	imageBox.btn['prod_serv']['off'].src = '/images/qcom/nav/nav_prod_serv_off.gif';
	
	imageBox.btn['tips_res'] = new Array();
	imageBox.btn['tips_res']['on'] = new Image();
	imageBox.btn['tips_res']['on'].src = '/images/qcom/nav/nav_tips_resources_roll.gif';
	imageBox.btn['tips_res']['off'] = new Image();
	imageBox.btn['tips_res']['off'].src = '/images/qcom/nav/nav_tips_resources_off.gif';
	
	imageBox.btn['help_supp'] = new Array();
	imageBox.btn['help_supp']['on'] = new Image();
	imageBox.btn['help_supp']['on'].src = '/images/qcom/nav/nav_help_support_roll.gif';
	imageBox.btn['help_supp']['off'] = new Image();
	imageBox.btn['help_supp']['off'].src = '/images/qcom/nav/nav_help_support_off.gif';
	
	imageBox.btn['my_acct'] = new Array();
	imageBox.btn['my_acct']['on'] = new Image();
	imageBox.btn['my_acct']['on'].src = '/images/qcom/nav/nav_my_quicken_roll.gif';
	imageBox.btn['my_acct']['off'] = new Image();
	imageBox.btn['my_acct']['off'].src = '/images/qcom/nav/nav_my_quicken_off.gif';
	
	navPreLoaded = true;	
}

function ImageOn (name,tabFlag) {
	if (!navPreLoaded) return;
	if (!tabFlag) document.images[name].src = imageBox.btn[name]['on'].src;
}

function ImageOff (name,tabFlag) {
	if (!navPreLoaded) return;
	if (!tabFlag) document.images[name].src = imageBox.btn[name]['off'].src;
}