function ValidaComilla(str)
{
	var s = new String(str);
	//var s=new string(s.value);
	//s.value=Replace2(s.value,"¦","''");
	while (s.indexOf("'")>=0){
		s = Replace2(s,"'","|");
	}
	while (s.indexOf("|")>=0){
		s = Replace2(s,"|","''");
		}
	return s;
} 

function Replace2(source,target,newstring)
{
	var str = source;
	str = str.replace(target, newstring);
	return str;
}

function trim(cadena)
{
	for(i=0; i<cadena.length; )
	{
		if(cadena.charAt(i)==" ")
			cadena=cadena.substring(i+1, cadena.length);
		else
			break;
	}

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