var curopen = "";
var curportopen = "";

function readmore(num) {
	if (curopen.length > 0)
		closereadmore(curopen);
	d = document.getElementById(num);
	d.style.visibility = 'visible';
	curopen=num;
	}
	
function closereadmore(num) {
	d = document.getElementById(num);
	d.style.visibility = 'hidden';
	}

function lowermarketing() {
	d = document.getElementById('maintext');
	m = document.getElementById('marketing');
	if (d.offsetHeight + parseInt(d.style.top) > parseInt(m.style.top)-20)
		m.style.top = d.offsetHeight + parseInt(d.style.top) + 20;
	}

function showportal(portal) {

	if (curportopen.length > 0)
		closeportal(curportopen);
		
	curportopen = portal;
	
	p = document.getElementById(portal);

	if (portal.indexOf("vid") == 0) {
		if (navigator.appName.indexOf ("Microsoft") != -1)
			v =  window[portal+"video"];
		else
			v = document.embeds[portal+"video"];

		if (navigator.appName.indexOf ("Netscape") == -1)
			v.Play();
		}
	

	p.style.visibility = 'visible';
	}
	
function closeportal(cportal) {
	p = document.getElementById(cportal);

	if (cportal.indexOf("vid") == 0) {
		if (navigator.appName.indexOf ("Microsoft") != -1)
			v =  window[cportal+"video"];
		else
			v = document.embeds[cportal+"video"];
		if (navigator.appName.indexOf ("Netscape") == -1) {
			v.StopPlay();
			v.Rewind();
			}
		}
	p.style.visibility = 'hidden';
	}