function onkeysUp_q2b(evt){
	var downObj = null;
	var ev = evt?evt:window.event;
	downObj = ev.srcElement? ev.srcElement : ev.target;
	if(downObj&&downObj.getAttribute("q2b")=="true"){
		var i;     
		var result="";     
		var str = downObj.value; 
		var len = str.length;
		if (str != null && str.length>0) {     
			for(i=0;i<len;i++){
				var str1=str.charCodeAt(i);
				if(str1==12290||str1==65294){
					result += ".";  
				} else if (str1>=65296&&str1<=65305) {
					result += String.fromCharCode(str.charCodeAt(i)-65248);
				} if (str1>=46&&str1!=47&&str1<=57) {
					result += str.substring(i,i+1);
				}
			}
		}   
		downObj.value = result; 
	}
}
document.onkeyup= onkeysUp_q2b;