function strCheck(x)
{
	var check = 0;

	for(i=0 ; i < x.value.length; i++ ) {
		
	       if (x.value.substring(i, i+1) == "," 
                       || x.value.substring(i, i+1) == "'" 
                       || x.value.substring(i, i+1) == "`"){

				check = 1;
	        }
	}

	return check;
}