function CBG_check(frm) {
	
	var obj= document.forms[frm];
	var maxi = obj.other_special.length;
	var totalSelected=0;
	var maxAllowed =5;
	var maxAllowedMessage = "Sorry, You can not select more than "+ maxAllowed +" specialist areas";

	for (var idx = 0; idx < maxi; idx++) {
		if (eval("obj.other_special[" + idx + "].checked") == true) {
    		if (totalSelected>=maxAllowed) {
			obj.other_special[idx].checked=false;
			alert(maxAllowedMessage);
			totalSelected--;
			return false;
			}
		totalSelected += 1;
   		}
	}
}
// JavaScript Document