var prefsLoaded = false;
var defaultFontSize = 80;
var currentFontSize = defaultFontSize;

setFontSize(currentFontSize);

function changeFontSize(sizeDifference){
	currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);

	if(currentFontSize > 100){
		currentFontSize = 100;
	}else if(currentFontSize < 60){
		currentFontSize = 60;
	}

	setFontSize(currentFontSize);
};

function setFontSize(fontSize){
	var stObj = (document.getElementById) ? document.getElementById('content_area') : document.all('content_area');
	document.body.style.fontSize = fontSize + '%';
	//alert (document.body.style.fontSize);
};

function imprimir(){
window.print()
};

function abreventana(){
  window.open(this.href,"nuevaventana","width=350,height=400");
  return false;
}

function ir(datover) {
 form3.ver.value=datover;
 form3.action="bloque.php" ;
 form3.submit();
}