// Wechselt die Linkfarbe fuer die Mouseovers
function color(obj_id, color) {
	document.getElementById(obj_id).style.color = color;
	}

last_still_data = '';
last_swf_data = '';

// Wechselt den Detailscreen beim anklicken eines Thumbnails
function change_screen(screen_data,tn,still_data) {

	last_still_data = still_data;
	last_swf_data = screen_data;
	
	document.getElementById("proj_screen").innerHTML = screen_data;

	for(var x = 0; x < document.images.length; x++) {
		if(document.images[x].name.substr(0,2) == 'tn') {
			if(document.images[x].name == tn) {
				document.getElementById(tn).style.borderWidth = '2px';
				document.getElementById(tn).style.borderStyle = 'solid';
				document.getElementById(tn).style.borderColor = tn_fgcolor;
				}
			else {
				document.getElementById(document.images[x].name).style.borderWidth = '0px';
				document.getElementById(document.images[x].name).style.borderStyle = 'none';
				document.getElementById(document.images[x].name).style.borderColor = tn_fgcolor;
				}
			}
		}
	}
	
// Blendet den Textlayer ueber ein Bild ein
function rm() {
	if(last_still_data) {
		document.getElementById("proj_screen").innerHTML = last_still_data;
		}
	document.getElementById("project_detail_txtlayer").style.visibility = 'visible';
	}
	
// Blendet den Textlayer ueber ein Bild aus
function rl() {
	if(last_swf_data) {
		document.getElementById("proj_screen").innerHTML = last_swf_data;
		}
	document.getElementById("project_detail_txtlayer").style.visibility = 'hidden';
	}
	
// Scrollerfunktionen  32 ist ein Projekt
speed = 2;
calls = 0;
stop_by = 128;

function move_down(scroll_elem) {
	if(calls) { return; }
	if (parseInt(document.getElementById(scroll_elem).style.top)<=(document.getElementById(scroll_elem).offsetHeight*(-1)+300)) {
		return;
		}
	if(window.s_up) { clearInterval(s_up); }
	if(window.s_down) { clearInterval(s_down); }
	calls = 0;
	s_down=setInterval("move_one_pixel_down('"+scroll_elem+"')",'20');
	}

function move_one_pixel_down(scroll_elem) {
	calls++;
	document.getElementById(scroll_elem).style.top=parseInt(document.getElementById(scroll_elem).style.top)-speed+"px";
	if(calls >= stop_by) { clearInterval(s_down); calls = 0; }
	}

function move_up(scroll_elem) {
	if(calls) { return; }
	if (parseInt(document.getElementById(scroll_elem).style.top) >= 0) {
		return;
		}
	if(window.s_up) { clearInterval(s_up); }
	if(window.s_down) { clearInterval(s_down); }
	calls = 0;
	s_up=setInterval("move_one_pixel_up('"+scroll_elem+"')",'20');
	}

function move_one_pixel_up(scroll_elem) {
	calls++;
	document.getElementById(scroll_elem).style.top=parseInt(document.getElementById(scroll_elem).style.top)+speed+"px";
	if(calls >= stop_by) { clearInterval(s_up); calls = 0; }
	}

function stopscroll() {
	if (window.s_down) { clearInterval(s_down); }
	if (window.s_up) { clearInterval(s_up); }
	calls = 0;
	}

function movetop(scroll_elem) {
	stopscroll();
	document.getElementById(scroll_elem).style.top=0+"px";
	}