function isArabic(symbol){
//alert(symbol =='isarabic called');
//Note)   known bug)  how to write a combined number like 679 ?
  var arabic = '0';
		if(symbol =='ا') arabic ='1';
		if(symbol =='ب') arabic ='1';
		if(symbol =='ت') arabic ='1';
		if(symbol =='ة') arabic ='1';
		if(symbol =='ث') arabic ='1';
		if(symbol =='ج') arabic ='1';
		if(symbol =='ح') arabic ='1';
		if(symbol =='خ') arabic ='1';
		if(symbol =='د') arabic ='1';
		if(symbol =='ذ') arabic ='1';
		if(symbol =='ر') arabic ='1';
		if(symbol =='ز') arabic ='1';
		if(symbol =='س') arabic ='1';
		if(symbol =='ش') arabic ='1';
		if(symbol =='ص') arabic ='1';
		if(symbol =='ض') arabic ='1';
		if(symbol =='ط') arabic ='1';
		if(symbol =='ظ') arabic ='1';
		if(symbol =='ع') arabic ='1';
		if(symbol =='غ') arabic ='1';
		if(symbol =='ف') arabic ='1';
		if(symbol =='ق') arabic ='1';
		if(symbol =='ك') arabic ='1';
		if(symbol =='ل') arabic ='1';
		if(symbol =='م') arabic ='1';
		if(symbol =='ن') arabic ='1';
		if(symbol =='ه') arabic ='1';
		if(symbol =='و') arabic ='1';
		if(symbol =='ي') arabic ='1';
		if(symbol =='٠') arabic ='1';
		if(symbol =='١') arabic ='1';
		if(symbol =='٢') arabic ='1';
		if(symbol =='٣') arabic ='1';
		if(symbol =='٤') arabic ='1';
		if(symbol =='٥') arabic ='1';
		if(symbol =='٦') arabic ='1';
		if(symbol =='٧') arabic ='1';
		if(symbol =='٨') arabic ='1';
		if(symbol =='٩') arabic ='1';
		if(symbol =='') arabic ='1';
		if(symbol =='ی') arabic ='1';
		if(symbol =='ئ') arabic ='1';
		if(symbol =='آ') arabic ='1';
		if(symbol =='أ') arabic ='1';
		if(symbol =='ؤ') arabic ='1';
		if(symbol =='ء') arabic ='1';
		if(symbol =='إ') arabic ='1';
		if(symbol =='؟') arabic ='1';
		return(arabic);
	}