if (document.images) {
	mailOff = new Image
	mailHover = new Image
	chatOff = new Image
	chatHover = new Image

	mailOff.src = "images_contact/tabs/mail_off.gif"
	mailHover.src = "images_contact/tabs/mail_off_hover.gif"
	chatOff.src = "images_contact/tabs/chat_off.gif"
	chatHover.src = "images_contact/tabs/chat_off_hover.gif"

}