/*
	javascript development
	============================
	website 	: 	Achilleas Hotel
	date 		: 	15-5-2010		
	author 		: 	anders akesson / developer
	company		: 	mozaik creative business solutions
	url			:	http://www.mozaik.com

*/

function track_ga(action, key)
{
	var trackings = ["/virtual/book-online-form", "/virtual/book-now" ];
	
	var tracktag = trackings[key];
	if (action==1)
		_gaq.push(['_trackPageview', tracktag]);
	if (action==2)
		_gaq.push(['_trackEvent', trackercat, 'click', tracking_page]);
	
}
function track_click(trackercat)
{
	_gaq.push(['_trackPageview', trackercat]);
	//alert(trackercat);
}


function click_clear(id) 
{
	if (document.getElementById(id).value == document.getElementById(id).defaultValue)
		document.getElementById(id).value = "";
	else if (document.getElementById(id).value == "")
		document.getElementById(id).value = document.getElementById(id).defaultValue;
}


function click_clear_old(id, text)
{
	if (document.getElementById(id).value == text)
		document.getElementById(id).value = "";
}

function prefill(id, text)
{
	if (document.getElementById(id).value == "")
		document.getElementById(id).value = text;
}


/* ========= FORM functions ========= */


function show_error(id)
{
	document.getElementById(id).style.background="#fe4d4d";
	
}

function clear_errors(which)
{
	for (i=0;i<document.forms[which].elements.length;i++)
	{
		if ( (document.forms[which].elements[i].type != "button") && (document.forms[which].elements[i].type != "reset") && (document.forms[which].elements[i].id!="fieldset") && (document.forms[which].elements[i].type!="textarea") )
			document.forms[which].elements[i].style.background="#5a78a1";
	
	}
	
}

function checkEmail(elem)
{
   var field = document.getElementById(elem);
   var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
   if (field.value.length ==0)
		return false;

   if(field.value.match(emailExp))
		return true;
   else 
		return false;
   
}





function check_form_prefilled(formid, whichform, mandatory_fields, prefilled_fields, prefilled_values, numericfields, emailid)
{
	clear_errors(whichform);		
	
	
	//check mandatory fields
	var man = mandatory_fields.split(",");
	for (i=0;i<man.length;i++)
	{	
		if ( (document.getElementById(man[i]).type) && (document.getElementById(man[i]).type == "select-one") )
		{
			if (document.getElementById(man[i]).selectedIndex == 0)
			{
				show_error(man[i]);
				alert ("You must fill all the mandatory fields (*)");
				return false;
			}
		}
		else
		{
			if (document.getElementById(man[i]).value == "")
			{
				show_error(man[i]);
				alert ("You must fill all the mandatory fields (*)");
				return false;
			}
		}
	}		

	if (emailid!="")
	{
		if (!checkEmail(emailid))
		{
			show_error(emailid);
			alert ("Your email address is not valid.");
			return false;
		}
	}
		
	
	//prefilled
	if (prefilled_fields!="")
		var pref_f = prefilled_fields.split(",");
		
	if (prefilled_values!="")
		var pref_v = prefilled_values.split(",");
	
	//check prefilled:
	if (prefilled_fields!="")
	{
		for (i=0;i<pref_f.length;i++)
		{
			if (document.getElementById(pref_f[i]).value == pref_v[i])
			{
				show_error(pref_f[i]);
				alert ("You must fill all the mandatory fields (*)");
				return false;
			}
		}
	}
	
	//check numeric fields
	if (numericfields != "")
	{
		var numeric = numericfields.split(",");
		for (i=0;i<numeric.length;i++)
		{
			document.getElementById(numeric[i]).value = document.getElementById(numeric[i]).value.replace(/,/,".");
			
			if (isNaN (document.getElementById(numeric[i]).value))
			{
				show_error(numeric[i]);
				alert (numeric[i]+": should be a number. Plase check and try again!");
				return false;
			}
		}
	}
	
	document.getElementById(formid).submit();

}