function changeTheme(themeID, themeName) {

	document.getElementById("signaturepreview").className = themeName;
	document.getElementById("theme").value = themeID;
	document.getElementById("themeoptions").style.display = "none";
	
}
function previewThemes () {

	document.getElementById("themeoptions").style.display = "inline";
	document.getElementById("themeoptions").className = "themeselect";
	
}