//los intervalos de zonas horarias son de 30 minutos
function getCurrentTime() {
  var today=new Date();
  if(location.toString().indexOf('javascript_time=')==-1) {

	var time=today.getFullYear();

	var month = today.getMonth()+1;
	if(month<10) month = '0'+month;
	time += ''+month;

	var day = today.getDate();
	if(day<10) day = '0'+day;
	time += '' + day;

	var hour = today.getHours();
	if(hour<10) hour = '0'+hour;
	time += ''+hour;

	var min = today.getMinutes();
	if(min<10) min = '0'+min;
	time += ''+min;

	var str = location.toString();
	var str2 = '';
	var newstr = '';
	
	if(str.indexOf('#')!=-1) {
		str2 = str.substr(str.indexOf("#"));
		str = str.substr(0,str.indexOf("#"));
	}
	if(str.indexOf('?')==-1) newstr = str + '?javascript_time=';
	else			 newstr = str + '&javascript_time=';
	location = newstr + time + "&"+SESSIONID + str2;
  }
}