function abrirVentana(pag,i,j,tit){
	x = (screen.width/2)-(i/2);
	y = (screen.height/2)-(j/2);
	window.open(pag,tit,'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+i+',height='+j+',left='+x+',top='+y);
}

function checkBrowser(){
 	if (document.layers) {
		var browser = "ns";
	}
	else if (document.all) {
		var browser = "ie";
	}
	return browser;
 }

function resizeOuterTo(w,h) {
 if (parseInt(navigator.appVersion)>3) {
   if (navigator.appName=="Netscape") {
    top.outerWidth=w;
    top.outerHeight=h;
   }
   else top.resizeTo(w,h);
 }
 top.moveTo(0,0);
}


function getHeight(){
	var	browser = checkBrowser();
	if (browser == "ns") {
		var scrHeight = screen.height;}
	else if (browser == "ie") {
		var scrHeight = screen.availHeight;}
		
	return scrHeight;
}

function getWidth(){
	var	browser = checkBrowser();
	if (browser == "ns") {
		var scrWidth = (screen.width);}
	else if (browser == "ie") {
		var scrWidth = (screen.availWidth);}
	
	return scrWidth;
}

function noScroll()
{

	browser = new Object();
	if(navigator.appName.indexOf("Netscape") != -1)		browser.isNetscape 	= true;
	else if(navigator.appName.indexOf("Microsoft") != -1)	browser.isMicrosoft 	= true;

	if(browser.isNetscape)
	{
		//window.scrollbars.visibility = false;
	}
	else
	{
		//document.body.scroll="no";
	}
	resizeOuterTo(getWidth(),getHeight());
}