var cod=0;
function Generar(){
  	var a = Math.ceil(Math.random() * 99)+ '';
  	var b = Math.ceil(Math.random() * 99)+ '';       
  	var c = Math.ceil(Math.random() * 99)+ '';
  	var code = a+b+c ;
  	//document.getElementById("txtGen").value = code
	c = document.getElementById("res_men");	c.innerHTML = ""+code;
	cod=code
}
function Valid(){
	var str1 = ""+cod; //removeSpaces(document.getElementById('txtCaptcha').value);
	var str2 = removeSpaces(document.getElementById('codGUI').value);
	
	if (str1 == str2) { return true; }
	else{ return false; }
}
function removeSpaces(string){ return string.split(' ').join(''); }    

function frmEsp(){

	document.forms[ "envFrm"]. submit (); 
	/* http://red-psi.org/cgi-sys/FormMail22.cgi	 */
}

function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' no valido.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' requere valors numericos.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' es requerido.\n'; }
    } 
	if(Valid()==false){ errors +='- codigo erroneo.\n'; }
	if (errors) alert('Error(es) ocurrido(s):\n'+errors);
    document.MM_returnValue = (errors == '');
} }
//********************************************************

function visImg(zoom){
	c = document.getElementById("zoomGUI");	
	c.innerHTML = "<img src='"+zoom+"'>";
}