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

function popUpWindow(url,popup_name,toolbar_,location_,directories_,status_,menubar_,scrollbars_,resizable_,width_,height_,page_name) {
	sealWin=window.open(url,popup_name,'toolbar=' + toolbar_ + ',location=' + location_ + ',directories=' + directories_ + ',status=' + status_ + ',menubar=' + menubar_ + ',scrollbars=' + scrollbars_ + ',resizable=' + resizable_ + ',width=' + width_ + ',height=' + height_ + '');
	self.name = page_name;
}

// here is the sample code to call the function:
// popUpWindow('index.php','give_your_popUp_a_name','0','0','0','0','0','0','0','359','225','give_your_page_where_you_are_putting_this_code_a_name')
// for the following: toolbar_,location_,directories_,status_,menubar_,scrollbars_,resizable_, the options are '0' or '1'

function goOanda(url){
window.open('http://www.oanda.com/convert/classic?user=sahotels','','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=620,height=470,framemargin=0');
}

function checkSearch() {
	var str1, str2, str3
	var errFlag = false;
	var errCount = 0;
	var errMsg = "";
	var errExp = new RegExp(" ", "g")
	
	str1 = document.search_admin.hotel_name.value;
	str2 = document.search_admin.page_name.value;
	str3 = document.search_admin.content.value;
		
	str1 = str1.replace(errExp, "")
	str2 = str2.replace(errExp, "")
	str3 = str3.replace(errExp, "")
		
	if (str1.length == 0){
		errCount += 1;
		errFlag = true;
		errMsg += "- hotel name\n";
		document.search_admin.hotel_name.focus();
	}
	
	if (str2.length == 0){
		if (errFlag == false) {
			document.search_admin.page_name.focus();
		}
		errCount += 1;
		errFlag = true;
		errMsg += "- page name\n";
	}
	
	if (str3.length == 0){
		if (errFlag == false) {
			document.search_admin.content.focus();
		}
		errCount += 1;
		errFlag = true;
		errMsg += "- content\n";
	}
	
	if (errFlag == true) {
		if (errCount > 1){
			errMsg = "The following fields are empty:\n" + errMsg;
		}
		else {	
			errMsg = "The following field is empty:\n" + errMsg;
		}
		alert(errMsg);
		return false
	} 
}

function checkEmail() {
	var str1, str2, str3, str4
	var errFlag = false;
	var errCount = 0;
	var errMsg = "";
	var errExp = new RegExp(" ", "g")
	
	str1 = document.email.your_name.value;
	str2 = document.email.your_email.value;
	str3 = document.email.friend_name.value;
	str4 = document.email.friend_email.value;
		
	str1 = str1.replace(errExp, "")
	str2 = str2.replace(errExp, "")
	str3 = str3.replace(errExp, "")
	str4 = str4.replace(errExp, "")
		
	if (str1.length == 0){
		errCount += 1;
		errFlag = true;
		errMsg += "- your name\n";
		document.email.your_name.focus();
	}
	
	if (str2.length == 0){
		if (errFlag == false) {
			document.email.your_email.focus();
		}
		errCount += 1;
		errFlag = true;
		errMsg += "- your email address\n";
	}
	
	if (str3.length == 0){
		if (errFlag == false) {
			document.email.friend_name.focus();
		}
		errCount += 1;
		errFlag = true;
		errMsg += "- your friend's name\n";
	}
	
	if (str4.length == 0){
		if (errFlag == false) {
			document.email.friend_email.focus();
		}
		errCount += 1;
		errFlag = true;
		errMsg += "- your friend's email address\n";
	}
	
	if (errFlag == true) {
		if (errCount > 1){
			errMsg = "The following fields are empty:\n" + errMsg;
		}
		else {	
			errMsg = "The following field is empty:\n" + errMsg;
		}
		alert(errMsg);
		return false
	} 
	else {
		return validateEmail();
	}
}

function validateEmail() {
	var str1, str2
	var errFlag = false;
	var errCount = 0;
	var errMsg = "";
	var errExp = new RegExp(" ", "g")
	
	str1 = document.email.your_email.value;
	str2 = document.email.friend_email.value;
		
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(str1)){
		//do nothing
	} else {
		errCount += 1;
		errFlag = true;
		errMsg += "- your email address\n";
	}
	
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(str2)){
		//do nothing
	} else {
		errCount += 1;
		errFlag = true;
		errMsg += "- your friend's email address\n";
	}
	
	if (errFlag == true) {
		if (errCount > 1){
			errMsg = "The following fields are not valid:\n" + errMsg;
		}
		else {	
			errMsg = "The following field is not valid:\n" + errMsg;
		}
		alert(errMsg);
		return false
	} else {
		return true
	}
}