var isInternetExplorer = (navigator.appName.indexOf("Microsoft") != -1);

/*
future references:
var keycode = isInternetExplorer ? event.keyCode : event.which;
*/

function countSpaces(obj){
	var iLength = obj.value.length;
	var strSpaces = obj.value.match(new RegExp("( )", "g"));
	var countSpaces = strSpaces ? strSpaces.length : 0;
	return countSpaces;
}

function countLineBreaks(obj){
	var iLength = obj.value.length;
	var strLineBreaks = obj.value.match(new RegExp("(\\n)", "g"));
	var countLineBreaks = strLineBreaks ? strLineBreaks.length : 0;
	return countLineBreaks;
}

function textCounter(field, counter_field, maxlimit) {
	var lineBreaks = countLineBreaks(field);
	var adjust = isInternetExplorer ? 1 : 0;
	if (field.value.length - lineBreaks * adjust > maxlimit){
		field.value = field.value.substring(0, maxlimit + lineBreaks * adjust);
		field.focus();
	} else {
		counter_field.value = maxlimit - field.value.length + lineBreaks * adjust;
	}
}

function backToSection(backToURL, forceBackToURL){
	if(forceBackToURL == null) forceBackToURL = false;
	if(history.length > 1 && !forceBackToURL) history.back(); else window.location.href = backToURL;
}

function hideStatus(){
	window.defaultStatus='';
	window.status='';
	return true;
}

function searchReset() {
	tot = document.search_form.elements.length;
		
	for(i=0;i<tot;i++) {
		if (document.search_form.elements[i].type == 'text') {
			document.search_form.elements[i].value = "";
		} else if (document.search_form.elements[i].type == 'checkbox' || document.search_form.elements[i].type == 'radio') {
			document.search_form.elements[i].checked = false;
		} else if (document.search_form.elements[i].type == 'select-one') {
			document.search_form.elements[i].selectedIndex = 0;
		}
	}	
}

function handleGetawayDiv(name) {
	getaway_div = document.getElementById(name);
	
	if (getaway_div.style.display == 'none')
	{
		getaway_div.style.display = "block";
	}
	else if (getaway_div.style.display == "block")
	{
		getaway_div.style.display = "none";
	}
}

function handlePromotionDiv(name) {
	promotion_div = document.getElementById(name);
	
	if (promotion_div.style.display == 'none')
	{
		promotion_div.style.display = "block";
	}
	else if (promotion_div.style.display == "block")
	{
		promotion_div.style.display = "none";
	}
}

function changeDomainContent(page, value)
{
	var page  = page;
	var value = value;
	
	if (!page)  var page  = "content/index.php";
	if (!value) var value = 1;
	
	document.location.href = "/directory/sitemgr/" + page + "?domain_id=" + value ;
}

function previewNewsletter(url)
{
	window.open(url,"preview_popup","width=650,height=650,scrollbars=yes");	
}

function handleImageTable(flag)
{
	var image_table = document.getElementById('image_table');
	
	if (flag)
	{
		image_table.style.display = "block";
	}
	else
	{
		image_table.style.display = "none";	
	}
	
	return true;
}