/**
 * Abre una ventana con la url dada
 */
function abrirPopup(url, w, h, sbars) {
	
	var migX = w/2;
	var migY = h/2;

	var x = screen.width/2 - migX;
	var y = screen.height/2 - migY;

	valors = 'width='+w+',height='+h+',left='+x+',top='+y+',scrollbars='+sbars+',resizable=no';

	window.open(url,'',valors);

} // abrirPopup

/**
 * Si existe la cookie de sesion carga el id del proyecto
 */ 
function cargaIdProyecto() {

	return readCookie("idPro");

} // cargaIdProyecto

// FUNCIONS PER A COOKIES
function saveCookie(name,value,days) {
	if (days) {
		var date=new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires="; expires="+date.toGMTString();
	} 
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
} // saveCookie

function readCookie(name) {
	var nameEQ=name+"=";
	var ca=document.cookie.split(';');
	for(var i=0;i<ca.length;i++) {
		var c=ca[i];
		while (c.charAt(0)==' ') c=c.substring(1,c.length);
		if (c.indexOf(nameEQ)==0) return c.substring(nameEQ.length,c.length);
	}
	return "";
} // readCookie

function deleteCookie(name) {
	saveCookie(name,"",-1);
} // deleteCookie