// JavaScript Document

var menu_1_off = newImg('images/menu/01.gif');
var menu_1_on  = newImg('images/menu/01_on.gif');
var menu_2_off = newImg('images/menu/02.gif');
var menu_2_on  = newImg('images/menu/02_on.gif');
var menu_3_off = newImg('images/menu/03.gif');
var menu_3_on  = newImg('images/menu/03_on.gif');
var menu_4_off = newImg('images/menu/04.gif');
var menu_4_on  = newImg('images/menu/04_on.gif');
var menu_5_off = newImg('images/menu/05.gif');
var menu_5_on  = newImg('images/menu/05_on.gif');
var menu_6_off = newImg('images/menu/06.gif');
var menu_6_on  = newImg('images/menu/06_on.gif');
var menu_7_off = newImg('images/menu/07.gif');
var menu_7_on  = newImg('images/menu/07_on.gif');

function newImg(strSRC){   
    
    t = new Image();
    t.src = strSRC;
    
    return t;
    
}

function menu(ordem, status){
	
	document.images['m_' + ordem].src = eval("menu_" + ordem + "_" + status + ".src");
	
}

function getLayer(id){
	
	  if (document.getElementById){
		    return document.getElementById(id);
	  }
	  else if (document.all){
		    return document.all[id];
	  }
	  else if (document.layers){
		    return document.layers[id];
	  }
	  return null;
}

function setDisplay(strNome, strStatus){
	
	var ly = getLayer(strNome);
	
	if(ly){ 
		ly.style.display = strStatus;
	}
	
}

function setInnerHTML(ly, str){

    if(document.getElementById(ly)){
        document.getElementById(ly).innerHTML = str;
    }
    else if(document.all[ly]){
        document.all[ly].innerHTML = str;
    }
    
}

function FormSelect(form, origem, valor){ 

	if(valor == ""){
		valor = 0;
	}
	
	if(form[origem]){ 	
		var ate = form[origem].length;
	
		for(j=0; j < ate; j++){
		   if(form[origem].options[j].value == valor){ 
				form[origem].options[j].selected = true
		   }
		}
	}
    
    return;
}  


function novaJanela(vURL, vName, w, h, status, resize, scroll){ 
	
	t = (window.screen.height-h)/2;
	l = (window.screen.width-w)/2;
	
	var nw = window.open(vURL, vName, 'toolbar=0,location=0,directories=0,status='+status+',menubar=0,scrollbars='+scroll+',resizable='+resize+',width='+w+',height='+h+',top='+t+',left='+l);
	nw.focus();	
	
	return nw;

}


function Trim(str){

	if(typeof(str) != "string") return "";
	
	var regexp = /[\t\r\n ]+$/; 
	str = str.replace(regexp, "");
	
	regexp = /^[\t\r\n ]+/; 
	str = str.replace(regexp, "");
	
	return str;

}


function ehVazio(valor){
	
	valor = Trim(valor);
	
	if(valor == ''){
		return true;
	}
	else{
		return false;
	}

}


function checkBusca(){
	
	var f = document.fbusca;
	var str = f.txt.value;
	var comp;
	
	if(ehVazio(str)){
		alert('Digite a palavra que você deseja pesquisar');
		return;	
	}
	else{
		comp = str.length;
		if(comp < 3){
			alert('A palavra deve ter no mínimo 3 caracteres.');
			return;
		}
	}
	
	f.submit();
	
}