function checkSearchBox() {
	var str1
	var errMsg = "";
	var errExp = new RegExp(" ", "g");
	
	str1 = document.search.search.value;
	str1 = str1.replace(errExp, "")
		
	if (str1.length == 0){
		errMsg = "Your search query\ncannot be empty." + errMsg;
		alert(errMsg);
		document.search.search.focus();
		return false
	} else if (str1.length <= 3){
		errMsg = "Your search query cannot\nbe less than 4 characters." + errMsg;
		alert(errMsg);
		document.search.search.focus();
		return false
	}
}

function deleteConference(name,id) {
	var varDelete = confirm("Are you sure you want to\ndelete \"" + name + "\"?")
	
	if (varDelete) {
		window.location.href = "search_conference_delete.php?id=" + id;
	}
}