function validateSearchTextContent(){
	obj = document.getElementById('searchbtn')
  if(obj.value == "Search"){
  	obj.value = "";
  }
}

function validateSearchTextEmpty(){
	obj = document.getElementById('searchbtn')
	if(obj.value == ""){
  	obj.value = "Search";
  }
}

function submitsearch(){
  obj = document.getElementById('searchbtn')
  if(obj.value != "Search" && obj.value != ""){
  	document.searchform.submit();
  }
}

function stripHTML(cadena){
	return cadena.replace(/<[^>]+>/g,'');
}