function checkForm(){

var row = 27;

var column = 5;

var len = 5;

var str = "";

var cnt = 0;

var flg = 0;



for(i=0; i< row; i++){

	var flag = 0;

	for(j=0; j < column; j++){

		var radio = (i*len) + j;

		if(document.forms[0].elements[radio].checked){

			flag = 1;

		}

	}

	if(flag != 1){

		alert("You missed Question No."+(i+1)+". Please check it.");

		document.checkcolor.elements[i * len].focus();

		return false;

	}

} 

}