function value_convert( org_text )
{ // convert comment 
	var var_input=org_text;
	var var_strlen = var_input.length;

	var var_output="";

       for (i = 0; i < var_strlen;  i++) { // start for
	var codestr = var_input.charCodeAt(i);
	

	//alert(codestr);
	   switch(codestr) {
		case 184: codestr=1105;break; //eo
		case 168: codestr=1025;break; // capital EO
	
		case 175: codestr=1198; break; //capital UE
		case 191: codestr=1199; break; //ue
		
		case 170: codestr=1256; break; // capital OE
		case 186: codestr=1257; break; //oe
	   }
	   if (256>codestr && codestr>191) codestr=codestr+848;
	        switch(codestr) {
		case 1111: codestr=1199;break;   //u
		case 1031: codestr= 1198; break; //capital U
		
		case 1108: codestr=1257; break; //ou
		case 1028: codestr=1256; break; //capital OU
		}

           var_output=var_output+String.fromCharCode(codestr);

      } //end for   
   
     return  var_output;
 
}  // convert comment