// JavaScript Document
var cla=""
function pf_l(i)
{
   for (j=1;j<=2;j++)
    {
        if (j==i)
	        {
		        h=document.getElementById("nav_"+j);
		        var im=h.getElementsByTagName("img");
                im[0].style.display="none";
                im[1].style.display="inline";
		        cla="no";
		        l=document.getElementById("area"+j);
		        l.className="";
        	}
        else
	        {
		        h=document.getElementById("nav_"+j);
		        var im=h.getElementsByTagName("img");
                im[0].style.display="inline";
                im[1].style.display="none"
		        l=document.getElementById("area"+j);
		        l.className="none";
	        }
    }
    document.getElementById('iframe1').style.visibility='hidden';
}


function mouseover(a)
{
    if(a.id=="nav_1" && a.className!="vis")
    {
        var im=a.getElementsByTagName("img");
        im[0].style.display="none";
        im[1].style.display="inline"
        cla=a.id;
    }else if(a.id=="nav_2" && a.className!="vis")
    {
        var im=a.getElementsByTagName("img");
        im[0].style.display="none";
        im[1].style.display="inline"
        cla=a.id;
    }else if(a.id=="nav_3" && a.className!="vis")
    {
        var im=a.getElementsByTagName("img");
        im[0].style.display="none";
        im[1].style.display="inline"
        cla=a.id;
    }
}

function mouseout(a)
{
    if(a.id==cla)
    {
        var im=a.getElementsByTagName("img");
        im[0].style.display="inline";
        im[1].style.display="none";
    }
}

// JavaScript Document
function l_pf1(i)
{
   for (j=1;j<=3;j++)
    {
        if (j==i)
	        {
		        h=document.getElementById("tabnav_"+j);
		        h.className="vis";
		        l=document.getElementById("tabdiv_"+j);
		        l.className="";
        	}
        else
	        {
		        h=document.getElementById("tabnav_"+j);
		        h.className="";
		        l=document.getElementById("tabdiv_"+j);
		        l.className="none";
	        }
    }
}