ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
dom = ((document.getElementById)&&(!ie4))?true:false;   // ns6 etc.
var xPos=0;
var yPos=0;
if ( bExisteCapa==null)
   var bExisteCapa=false;

if(ns4)	document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = captPosi;

function escribeCapa(iddiv, text)
{
	if (ns4){
		var lyr = document.layers[iddiv].document;
		lyr.open();
		lyr.write(text);
		lyr.close();
	}
	else
		document.all[iddiv].innerHTML = text;
}
function escribeCapaOpener(iddiv, text)
{
	if (ns4){
		var lyr = document.layers[iddiv].document;
		lyr.open();
		lyr.write(text);
		lyr.close();
	}
	else
		window.opener.document.all[iddiv].innerHTML = text;
}

function leeCapa(iddiv){
	if (ns4){
		var lyr = document.layers[iddiv].document;
		lyr.open();
		lyr.write(text);
		lyr.close();
	}
	else{
//		alert(document.all[iddiv].innerHTML);
		return(document.all[iddiv].innerHTML);
	}
}


function Decimales(nNum, nDec){
	var sCad = new String(nNum);
	var iPos;

	if (isNaN(nNum))
		return(nNum);

	iPos = sCad.search(/\./);

	if (iPos != -1)
		return(Number(sCad.substr(0, iPos+nDec+1)));	
	else
		return(nNum);
}
function captPosi(eve){
	if(ns4 || dom){
		xPos = eve.pageX;
		yPos = eve.pageY;
	}
	else{
	   xPos = event.x+document.body.scrollLeft;
	   yPos = event.y+document.body.scrollTop;

	}
//	alert(xPos + '-' + yPos);	
	//window.status=xPos+"  "+yPos;
}

function ocultar(){
	if(ie4){
		document.all.capa.style.visibility="hidden";
	}
	else 
	    if (ns4) document.capa.visibility="hide";
	 	else{
	 	    objdiv=document.getElementById('capa');
    	 	objdiv.style.display="none";		
	 	} 
}


function creacapa()
{
  if (bExisteCapa==false){
	if(ns4)	{
		tab='<layer id="capa" pageY=0 pageX=0 visibility=hide z-Index=100></layer>';
	}
	else if (ie4){
		tab='<div id="capa" style="position:absolute; top:0;left:0;visibility:hidden;z-Index:100"></div>';
	 	}		
	 	else{
		tab='<div id="capa" style="position:absolute; top:0;left:0;visibility:none;z-Index:100"></div>';	 	
	 	}

	document.write(tab);
	bExisteCapa=true;
 }	
}


function tabla_textoi(cual) {
	var tab="";
	var c;
	
tab='<table border=0 cellspacing=0  bgcolor="#016D5E" cellpadding="0" width="100%">';
tab+='<tr>';
tab+='<td width=100% class="CapaInformacion"><center><font color="#ffffff"> '+'&nbsp;'+ cual +'.</font></td>';
tab+='</tr>';
tab+='</table>';

	if(ie4){
		document.all.capa.innerHTML=tab;
	}
	else if (ns4){
		document.capa.document.open();
		document.capa.document.write(tab);
		document.capa.document.close();
 	}
 	else{//dom
	  	objdiv=document.getElementById('capa');				 	
	 	objdiv.innerHTML=tab;	 		 		 	
	}
}

function mostrari(cual)
{
  if(ie4){
    document.all.capa.style.pixelTop=yPos;
    document.all.capa.style.pixelLeft=xPos;
    tabla_textoi(cual);
    document.all.capa.style.visibility="visible";
  }
  else {
    document.capa.top=yPos;
    document.capa.left=xPos;
    tabla_textoi(cual);
    document.capa.visibility="visible";
  }
}
function mostrariarticulo(imagen,cual,transporte,plazo,precio,preciomulti,comentario)
{

  if(ie4){
    document.all.capa.style.pixelTop=yPos;
    document.all.capa.style.pixelLeft=xPos;
    tabla_textoiarticulo(imagen,cual,transporte,plazo,precio,preciomulti,comentario);
    document.all.capa.style.visibility="visible";
  }
  else {
    document.capa.top=yPos;
    document.capa.left=xPos;
    tabla_textoiarticulo(imagen,cual,transporte,plazo,precio,preciomulti,comentario);
    document.capa.visibility="visible";
  }
}
function tabla_textoiarticulo(remote_addr,http_user_agent,http_referer) {
	var tab="";
	var c;
	
tab='<table border=0 cellspacing=0  bgcolor="#D6DFF7" cellpadding="5" width="100%">';

tab+='<tr>';
tab+='<td valing="middle" nowrap><b>REMOTE_ADDR:</b></td>';
tab+='<td class="CapaInformacion"><font color="#000000">&nbsp;'+ remote_addr +'.</font></td>';
tab+='</tr>';
tab+='<tr>';
tab+='<td valing="middle" nowrap><b>HTTP_USER_AGENT:</b></td>';
tab+='<td class="CapaInformacion"><font color="#000000">&nbsp;'+ http_user_agent +'.</font></td>';
tab+='</tr>';
tab+='<tr>';
tab+='<td valing="middle" nowrap><b>HTTP_REFERER:</b></td>';
tab+='<td class="CapaInformacion"><font color="#000000">&nbsp;'+ http_referer +'.</font></td>';
tab+='</tr>';

tab+='</table>';

	if(ie4){
		document.all.capa.innerHTML=tab;
	}
	else if (ns4){
		document.capa.document.open();
		document.capa.document.write(tab);
		document.capa.document.close();
 	}
 	else{//dom
	  	objdiv=document.getElementById('capa');				 	
	 	objdiv.innerHTML=tab;	 		 		 	
	}
}

/******************************************************************************/
function redimensionar(w,h){
	var hMas = window.screen.availHeight  - 20;		
	var wMas = window.screen.availWidth;			
	var h,w;
	if (h > hMas) h = hMas
	if (w > wMas) w = wMas	

//	var hMas = window.screen.availHeight - document.body.clientHeight - document.body.topMargin - 20;			
	window.resizeTo(w,h);
}
/******************************************************************************/