function validaRut( rut )
{
	var tmpstr = "";
	var intlargo = rut;
	if (intlargo.length> 0)
	{
		crut = rut
		largo = crut.length;
		if ( largo <2 )
		{
			return false;
		}
		for ( i=0; i <crut.length ; i++ )
		if ( crut.charAt(i) != ' ' && crut.charAt(i) != '.' && crut.charAt(i) != '-' )
		{
			tmpstr = tmpstr + crut.charAt(i);
		}
		rut = tmpstr;
		crut=tmpstr;
		largo = crut.length;
	
		if ( largo> 2 )
			rut = crut.substring(0, largo - 1);
		else
			rut = crut.charAt(0);
	
		dv = crut.charAt(largo-1);
	
		if ( rut == null || dv == null )
		return 0;
	
		var dvr = '0';
		suma = 0;
		mul  = 2;
	
		for (i= rut.length-1 ; i>= 0; i--)
		{
			suma = suma + rut.charAt(i) * mul;
			if (mul == 7)
				mul = 2;
			else
				mul++;
		}
	
		res = suma % 11;
		if (res==1)
			dvr = 'k';
		else if (res==0)
			dvr = '0';
		else
		{
			dvi = 11-res;
			dvr = dvi + "";
		}
	
		if ( dvr != dv.toLowerCase() )
		{
			return false;
		}
		return true;
	}
}
function validaEmail(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
}

function stripVowelAccent(str){
    var s=str;
    
    var rExps=[ /[\xC0-\xC2]/g, /[\xE0-\xE2]/g,
    /[\xC8-\xCA]/g, /[\xE8-\xEB]/g,
    /[\xCC-\xCE]/g, /[\xEC-\xEE]/g,
    /[\xD2-\xD4]/g, /[\xF2-\xF4]/g,
    /[\xD9-\xDB]/g, /[\xF9-\xFB]/g ];
    
    var repChar=['A','a','E','e','I','i','O','o','U','u'];
    
    for(var i=0; i<rExps.length; i++)
    s=s.replace(rExps[i],repChar[i]);
    
    return s;
}