function abre_index(pagina){
	window.top.location='?p='+pagina;}
function logout(){
	window.top.location='login/login.php?ac=logout';}
function submete(event, id){
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
	if(keyCode==13)
	 document.getElementById(id).submit;}
function abrePag(pag,tp){
	var jan;
	jan=pag+'.php';
	 if(tp!="")
	  jan+='?tp='+tp;
	window.open(jan, 'frame');}
function selecionar_todas(retorno){
    var frm = document.sistema;
    for(i = 0; i < frm.length; i++){        
        if(frm.elements[i].type == "checkbox"){        
            frm.elements[i].checked = retorno;}}}
function abrir_foto(Img, iWidth, iHeight){
 	   window.open('visu_foto.php?c='+Img, 'the_window', "width="+iWidth+",height="+iHeight+",resizable=yes,scrollbars=yes");}
function abrePagBus(pag,busca){
	url='index.php?p=principal&pag='+pag;
	 if(busca!='')
	  url+='&busca='+busca;
	window.top.location=url;}
function abreProduto(cod){
	window.top.location='index.php?p=visu_produto&cod='+cod;}