function maskKeyPress(objEvent)
{
        if (document.getElementById('browser').getAttribute('name') == 'ie') {
	   iKeyCode = objEvent.keyCode;
        } else {
           iKeyCode = objEvent.which; 
        }
	if(iKeyCode>=48 && iKeyCode<=57 || iKeyCode==8) { 
    	    return true; 
	} 
	return false;
}
function showResult(count,field)
{
    //alert(field);
    if (field == 'wmu') {
	if (count>0) {
	    document.getElementById('result').value=count*0.96;
	} else {
	    document.getElementById('result').value=0;
	}
    }else {
	if (count>0) {
	    document.getElementById('text1').value=count*0.96;
	} else {
	    document.getElementById('text1').value=0;
	}
    }
}