function yapnav_ys(action) {
	if (action =='over') {
		dojo.style("yapnav_ys","backgroundPosition","0px 0px");
	}
	else {
		dojo.style("yapnav_ys","backgroundPosition","0px 39px");
	}
}

function yapnav_rp(action) {
	if (action =='over') {
		dojo.style("yapnav_rp","backgroundPosition","0px 0px");
	}
	else {
		dojo.style("yapnav_rp","backgroundPosition","0px 39px");
	}
}

function yapnav_vrp(action) {
	if (action =='over') {
		dojo.style("yapnav_vrp","backgroundPosition","0px 0px");
	}
	else {
		dojo.style("yapnav_vrp","backgroundPosition","0px 39px");
	}
}

function yapnav_srp(action) {
	if (action =='over') {
		dojo.style("yapnav_srp","backgroundPosition","0px 0px");
	}
	else {
		dojo.style("yapnav_srp","backgroundPosition","0px 39px");
	}
}

function yapnav_dp(action) {
	if (action =='over') {
		dojo.style("yapnav_dp","backgroundPosition","0px 0px");
	}
	else {
		dojo.style("yapnav_dp","backgroundPosition","0px 39px");
	}
}

function yapnav_ip(action) {
	if (action =='over') {
		dojo.style("yapnav_ip","backgroundPosition","0px 0px");
	}
	else {
		dojo.style("yapnav_ip","backgroundPosition","0px 39px");
	}
}

function yapnav_up(action) {
	if (action =='over') {
		dojo.style("yapnav_up","backgroundPosition","0px 0px");
	}
	else {
		dojo.style("yapnav_up","backgroundPosition","0px 39px");
	}
}