function Is ()
{   var agt=navigator.userAgent.toLowerCase();

    this.major = parseInt(navigator.appVersion);
    this.minor = parseFloat(navigator.appVersion);

    this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1)));
    this.nav2 = (this.nav && (this.major == 2));
    this.nav3 = (this.nav && (this.major == 3));
    this.vms   = (agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1);
}

var is = new Is(); 

function resizeImg( id , w , h )
{
	var objImg = document.getElementById( id );
	
	/*if( objImg.style.width > h )
	{
		objImg.style.width = w + "px";
		objImg.style.height = "";
		alert( objImg.width );
	}
	else
	{
		objImg.style.height = h + "px";
		objImg.style.width = "";
		alert( objImg.height );
	}*/
}

function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[szDivID].visibility = iState ? "show" : "hide";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";
    }
    else if(document.all)	// IE 4
    {
        document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
    }
}