function email_newsletter_signup()
{
	if(echeck(document.frmSignUpNews.mailing_list_email.value))
	{
		document.frmSignUpNews.submit();
	}
	else
	{
		alert("Please enter a valid email.");
	}
}

function reset_email_input()
{
	if(document.email_reset == undefined)
	{
		document.frmSignUpNews.mailing_list_email.value = '';
		document.email_reset=1;
	}
}

function new_window(which_file,w,h,with_scroll,fixed_size) 
{
	LP = (screen.width) ? (screen.width-w)/2 : 0;
	TP = (screen.height) ? (screen.height-h)/2 : 0;
	if (fixed_size)
	{
		fixed_size = "yes";
	}
	else
	{
		fixed_size = "no";
	}
	if (with_scroll) 
	{
		with_scroll = "yes";
	}
	else 
	{
		with_scroll = "no";
	}
	
	if (typeof(cWin) != "undefined") 
	{
		cWin.close();
	}

	cWin = window.open(which_file, "StagingMadeSimpleWin","width="+w+",height="+h+",scrollbars="+with_scroll+",location=no,left="+LP+",top="+TP+",menubar=no,resizable="+fixed_size+",toolbar=no,status=no");
}

function email_page(uri)
{
	var w = 500;
	var h = 400;
	var LP = (screen.width) ? (screen.width-w)/2 : 0;
	var TP = (screen.height) ? (screen.height-h)/2 : 0;
	EmailListingPage = window.open("pages/email_page_form.php?uri=" + uri, "EmailListingPage","width=" + w + ",height=" + h + ",scrollbars=no,location=no,left="+LP+",top="+TP+",menubar=no,resizable=yes,toolbar=no,status=no");
}

function view_listing(id)
{
	document.location.href = 'index.php?display=portfolio_listing&listing_id=' + id;
}

function view_listing_testimonial(id)
{
	document.location.href = 'index.php?display=testimonial_listing&listing_id=' + id;
}

function view_image(id)
{
	new_window('view_image.php?img_id=' + id, 600,600, 'no', 'yes');
}

function view_portfolio_image(dir, file_index, w, h)
{
	LP = (screen.width) ? (screen.width-w)/2 : 0;
	TP = (screen.height) ? (screen.height-h)/2 : 0;
	file_index = (file_index != '') ? file_index : "";
		
	//new_window("view_portfolio_image.php?dir=" + dir + "&file_index=" + file_index, w, h, 'no', 'yes');
	PortfolioWin = window.open("view_portfolio_image.php?dir=" + dir + "&file_index=" + file_index, "PortfolioWin","width="+w+",height="+h+",scrollbars=no,location=no,left="+LP+",top="+TP+",menubar=no,resizable=yes,toolbar=no,status=no");

}

function resizeWin(w, h)
{
	//alert("w: " + w + " h: " + h);
	window.resizeTo(w,h);	
}

function view_portfolio_page(page_num, view_limit)
{
	document.location.href = 'index.php?display=portfolio&portfolio_page_num=' + page_num + '&portfolio_view_limit=' + view_limit;
}

function view_testimonial_page(page_num, view_limit)
{
	document.location.href = 'index.php?display=testimonial&testimonial_page_num=' + page_num + '&testimonial_view_limit=' + view_limit;
}

function change_view_limit(display)
{
	var view_limit = document.getElementById('view_limit').options[document.getElementById('view_limit').selectedIndex].value;
	document.location.href = 'index.php?display=' + display + '&portfolio_page_num=1&portfolio_view_limit=' + view_limit;
}

function change_view_limit_testimonial(display)
{
	var view_limit = document.getElementById('view_limit').options[document.getElementById('view_limit').selectedIndex].value;
	document.location.href = 'index.php?display=' + display + '&testimonial_page_num=1&testimonial_view_limit=' + view_limit;
}

function register()
{
}

function echeck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }
 		 return true;					
	}