function doIt() {
		window.close();
	
	}
	
	

    
	function maximizar(){
  		window.resizeTo( screen.availWidth-60, screen.availHeight-40);
  		window.moveTo(30,40);
  	}
  	
  	function checkIt(evt) {
	    evt = (evt) ? evt : window.event;
	    var charCode = (evt.which) ? evt.which : evt.keyCode;
	    if ((charCode > 31 && (charCode < 48 || charCode > 57)) || charCode==13 ) {
	        // alert("Este campo so aceita números")
	         //status = "This field accepts numbers only."
	         return false;
	    }
	    //status = ""
	    return true;
  }