//09:35 a.m. 25/06/2008

//******************************************************************************

var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;

function r_checkmail(e){
	var returnval=emailfilter.test(e.value)
	if (returnval==false){
		//alert("Please enter a valid email address.")
		//e.select()
	}//EndIf
	return returnval
}//EndFunction

function r_trim(cadena){
//******************************************************************************
//Desc.: ELIMINA ESPACIOS EN BLANCO AL PRINCIPIO Y FINAL
//******************************************************************************
	for(i=0; i<cadena.length; ){
		if(cadena.charAt(i)==" ")
			cadena=cadena.substring(i+1, cadena.length);
		else
			break;
	}//EndFor

	for(i=cadena.length-1; i>=0; i=cadena.length-1){
		if(cadena.charAt(i)==" ")
			cadena=cadena.substring(0,i);
		else
			break;
	}//EndFor
	
	return cadena;
}//EndFunction