// AJAX PORTFOLIO ENGINE


url = document.location.href;
xend = url.lastIndexOf("/") + 1;
var base_url = url.substring(0, xend);

function ajax_do (url) {
        // Does URL begin with http?
        if (url.substring(0, 4) != 'http') {
                url = base_url + url;
        }

        // Create new JS element
        var jsel = document.createElement('SCRIPT');
        jsel.type = 'text/javascript';
        jsel.src = url;

        // Append JS element (therefore executing the 'AJAX' call)
        document.body.appendChild (jsel);
}

function ajax_content(type){	
	
	
	if(type == "web"){
		
		// Change navigation
		document.getElementById("webtab").src = "images/port_web_tab_sel.jpg";
		document.getElementById("printtab").src = "images/port_print_tab.jpg";
		document.getElementById("broadtab").src = "images/port_broad_tab.jpg";
		document.getElementById("logotab").src = "images/port_logo_tab.jpg";
		
		// Load category content
		parent.frames['portlist'].location = "portfolio_weblist.php";
	}
	
	else if(type == "print"){
		
		// Change navigation
		document.getElementById("webtab").src = "images/port_web_tab_printselect.jpg";
		document.getElementById("printtab").src = "images/port_print_tab_sel.jpg";
		document.getElementById("broadtab").src = "images/port_broad_tab.jpg";
		document.getElementById("logotab").src = "images/port_logo_tab.jpg";
		
		// Load category content
		parent.frames['portlist'].location = "portfolio_printlist.php";

	}
	
	if(type == "broadcast"){
		
		// Change navigation
		document.getElementById("webtab").src = "images/port_web_tab.jpg";
		document.getElementById("printtab").src = "images/port_print_tab_broadselect.jpg";
		document.getElementById("broadtab").src = "images/port_broad_tab_sel.jpg";
		document.getElementById("logotab").src = "images/port_logo_tab.jpg";

		
		// Load category content
		parent.frames['portlist'].location = "portfolio_broadlist.php";

	}
	
	
	if(type == "logo"){
		
		// Change navigation
		document.getElementById("webtab").src = "images/port_web_tab.jpg";
		document.getElementById("printtab").src = "images/port_print_tab.jpg";
		document.getElementById("broadtab").src = "images/port_broad_tab_logoselect.jpg";
		document.getElementById("logotab").src = "images/port_logo_tab_sel.jpg";
		
		// Load category content
		parent.frames['portlist'].location = "portfolio_logolist.php";

	}
	
	
}