but_selected = "";

function pos_img () {
	varWidth = document.body.clientWidth;
	document.getElementById("bg_image").style.left = (varWidth/2) - 323 ;
}

function but_mo (id) {
	if ( id != but_selected ) {
		if (document.getElementById(id).className == 'nav_but_txt_mo' ) {
      			document.getElementById(id).className = 'nav_but_txt'
   		} else {
      			document.getElementById(id).className = 'nav_but_txt_mo'
   		}
   	}

}

function loc_select (id) {
	if (!id) {
		id = "home";	
	}
	if (id != "ca" ) {
		document.getElementById("but_" + id).className = 'nav_but_txt_mo'
		but_selected = "but_" + id
	}

}

function button_click (but_select) {
	window.location.href = but_select
}