function Flip(objName, bSource) { 
   ImageObject = new Object(); 
   ImageObject = objName; 
   ImageObject.src = bSource; 
   }
   
   function onlyDigits(e,decReq) {
	var _ret = true;
	var isIE = ((navigator.appName).indexOf("Microsoft")!=-1)?true:false;
	var isNS = ((navigator.appName).indexOf("Netscape")!=-1)?true:false;
	
	var key = (isIE) ? window.event.keyCode : e.which;

	var obj = (isIE) ? event.srcElement : e.target;
	var isNum = (key > 47 && key < 58) ? true:false;
	var dotOK = (key==46 && decReq=='decOK' && (obj.value.indexOf(".")<0 || obj.value.length==0)) ? true:false;
	
	if (isIE)
		window.event.keyCode = (!isNum && !dotOK && isIE) ? 0:key;
	else
		e.which = (!isNum && !dotOK && isNS)?0:key;
		  
	return (isNum || dotOK);
  }