function pollIsNumberInt (field, name, required)
{
    var val = document.FormEdit.elements[ locate(field) ].value;
    var num = parseInt(val)+'';
	if (!required && val == '') return;
    if (val!=''+num) 
    {
        err+= ' - '+name+' debe contener un número.\n';
        if (firstFieldError == '') firstFieldError = field;        
    }    
}

function pollIsNumber (field, name, required)
{
    var val = document.FormEdit.elements[ locate(field) ].value;
    var num = parseFloat(val)+'';
	if (!required && val == '') return;	
    if ((val!=''+num && val!=''+num+'0') || num < 0) 
    {
        err+= ' - '+name+' debe contener un número.\n';
        if (firstFieldError == '') firstFieldError = field;        
    }   
}

function pollIsNumberInRange (field, name, minor, major, required)
{
    var val = document.FormEdit.elements[ locate(field) ].value;
    var num = parseFloat(val)+'';
	if (!required && val == '') return;	
    if ((val!=''+num && val!=''+num+'0') || num < minor || num > major) 
    {
        err+= ' - '+name+' debe contener un número en el rango especificado ('+minor+','+major+').\n';
        if (firstFieldError == '') firstFieldError = field;        
    }   
}

function pollIsNumberIntInRange (field, name, minor, major, required)
{
    var val = document.FormEdit.elements[ locate(field) ].value;
    var num = parseInt(val)+'';
	if (!required && val == '') return;	
    if (val!=''+num || num < minor || num > major) 
    {
        err+= ' - '+name+' debe contener un número en el rango especificado ('+minor+','+major+').\n';
        if (firstFieldError == '') firstFieldError = field;        
    }   
}