function portfolio (x,y)
		{
		var elem_out = document.getElementById("portfolio");
		var elem_img = document.getElementById("portfolio_img");
		var elem_main = document.getElementById("main_web");
		var elem_body = document.getElementById("body");
		var elem_transparent = document.getElementById("transparent");
		var elem_url = document.getElementById("portfolio_url");
		var elem_txt = document.getElementById("portfolio_txt");
		var elem_menu = document.getElementById("portfolio_menu");
		if (navigator.appName=="Microsoft Internet Explorer")
			{
			elem_menu.style.backgroundColor="white";
			elem_menu.style.borderLeft="2px solid #BCBCBC";
			elem_menu.style.borderRight="2px solid #BCBCBC";
			elem_menu.style.width="611px";
			elem_menu.style.marginTop="-3px";
			}
			else
			{
			if (navigator.appName=="Netscape")
			{
			elem_menu.style.backgroundColor="white";
			elem_menu.style.borderLeft="2px solid #BCBCBC";
			elem_menu.style.borderRight="2px solid #BCBCBC";
			}
			else
			{
			}
		}
		elem_out.style.display="block";
		elem_main.style.display="none";
		elem_transparent.style.display="block";
		elem_img.src="portfolio_img/"+x+".jpg";
		elem_body.style.backgroundColor="#4C4C4C";
		elem_url.href=y;
		elem_txt.innerHTML=y;
		}
		
		function close_portfolio ()
		{
		var elem_out = document.getElementById("portfolio");
		var elem_img = document.getElementById("portfolio_img");
		var elem_main = document.getElementById("main_web");
		var elem_body = document.getElementById("body");
		var elem_transparent = document.getElementById("transparent");
		elem_out.style.display="none";
		elem_main.style.display="block";
		elem_transparent.style.display="none";
		elem_img.src="portfolio/"+x+".jpg";
		elem_body.style.backgroundColor="#FFFFFF";
		}
		
		function mouseon_wav()
		{
			var sound1="sound/mouseon.wav"
			x=sound1
			if (navigator.appName=="Microsoft Internet Explorer")
			{
			document.getElementById('mouse_sound_ie').src="sound/mouseon.wav";
			//document.getElementById('mouse_sound').innerHTML="<bgsound src='sound/mouseon.wav' id='mouse_sound_ie'/>";
			}
			else
			{
			if (navigator.appName=="Netscape")
			{
			
			}
			else
			{
			document.getElementById('mouse_sound').innerHTML="<embed style='float:left;' src='sound/mouseon.wav' hidden='true' border='0' width='0' height='0' autostart='true'>";
			}
			}
			//setTimeout("document.getElementById('mouse_sound').innerHTML=''",500);
		}