// JavaScript Document
/*
    Autor: Marcelo Augusto de Carvalho
	Data : 22/01/2003
	Função: Criar e remover options dentro de objetos Select
*/

//---------- Este Bloco é para uso da propriedade insertAdjacentElement no MOZILA ----
if(typeof HTMLElement!="undefined" && !
HTMLElement.prototype.insertAdjacentElement){
	HTMLElement.prototype.insertAdjacentElement = function
(where,parsedNode)
	{
		switch (where){
		case 'beforeBegin':
			this.parentNode.insertBefore(parsedNode,this)
			break;
		case 'afterBegin':
			this.insertBefore(parsedNode,this.firstChild);
			break;
		case 'beforeEnd':
			this.appendChild(parsedNode);
			break;
		case 'afterEnd':
			if (this.nextSibling) 
this.parentNode.insertBefore(parsedNode,this.nextSibling);
			else this.parentNode.appendChild(parsedNode);
			break;
		}
	}

	HTMLElement.prototype.insertAdjacentHTML = function
(where,htmlStr)
	{
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where,parsedHTML)
	}


	HTMLElement.prototype.insertAdjacentText = function
(where,txtStr)
	{
		var parsedText = document.createTextNode(txtStr)
		this.insertAdjacentElement(where,parsedText)
	}
}
//-------------------------------------------------------------------------------


function fncSelectInsertOptions(vObject, vValue, vText, vBeforeAfter)
{  
   	  if(typeof(vObject) != "object") return false;
	  var IE = (navigator.appName.toUpperCase() == "MICROSOFT INTERNET EXPLORER");
	  var re = / /g;
	  vBeforeAfter = vBeforeAfter + "";
	  vBeforeAfter = vBeforeAfter.toUpperCase();
	  vBeforeAfter = vBeforeAfter.replace(re, "");
	  
	  var vOption   = document.createElement("OPTION");
	  vOption.value = vValue;
	  vOption.text  = vText; 
			
	  if(vBeforeAfter=="BEFORE")
	  { 
	     if(IE){
			 //-- Item a ser Inserido
			 var vOption   = new Array(vObject.options.length+1);
			 vOption[0]    = document.createElement("OPTION");
			 vOption[0].value = vValue;
			 vOption[0].text  = vText;
			 //-- Guarda os Valores Existentes no Combo  
			 for(i=0;i<vObject.options.length;i++)
			 {
				  vOption[i+1]       = document.createElement("OPTION");
				  vOption[i+1].value = vObject.options[i].value;
				  vOption[i+1].text  = vObject.options[i].text; 
			 }
			 //-- Remove todos os Valores do Combo
			 fncSelectRemoveOptions(vObject);
			 //-- Adiciona todos os Valores
			  for(i=0;i<vOption.length;i++) vObject.add(vOption[i]);
		 }
		 //-- MOZILA
		 else vObject.insertAdjacentElement("afterBegin",vOption);
	  }	 
	  else
	  {
			if(IE) vObject.add(vOption);
			//-- Mozila
			else vObject.insertAdjacentElement("beforeEnd",vOption);
	  }
      
}

function fncSelectRemoveOptions(vObject, OptionIndex)
{
  if(typeof(vObject) != "object") return false;
  OptionIndex+="";
  //-- Deleta Todos
  if(OptionIndex=="" || OptionIndex=="undefined") 
  {
  	while (vObject.options.length > 0)
  	    vObject.remove(0);
  }else if(isNaN(OptionIndex) == false) vObject.remove(OptionIndex);
}

function fncSelectValue(vObject, vValue)
{  
      var i;
	  if(typeof(vObject) != "object") return false;
	  vValue = vValue.toUpperCase();
	  for(i=0;i<vObject.options.length;i++)
	  {
		 var vCurrentValue = vObject.options[i].value.toUpperCase(); 
		 //alert(vCurrentValue+"=="+ vValue); 
		 if(vCurrentValue== vValue) 
		 {
		   vObject.selectedIndex = i;
		   break;
		 }
	  }
}

function fncSelectText(vObject, vText)
{  
      var i;
	  if(typeof(vObject) != "object") return false;
	  vText = vText.toUpperCase();
	  for(i=0;i<vObject.options.length;i++)
	  {
		 var vCurrentText = vObject.options[i].text.toUpperCase(); 
		 if(vCurrentText== vText) 
		 {
		   vObject.selectedIndex = i;
		   break;
		 }
	  }
}