/**
* input_checkbox_check
* Check and put the value to checbox object if the value is not 0 or null
* 
* @param $input = checkbox object to check and put the value
* @param $valor = New value for the checkbox object
*  
**/
function input_checkbox_check(input, valor){
	if (valor != 0 && valor != null){
		input.value = valor;
		input.checked=true;
	}
}