function go(wintype,w,h,command)
{
  st=new String("toolbar=no,directories=no,status=no,scrollbars=no,menubar=no,width="+w+",height="+h);
  picture=window.open(wintype+command,"picture",st);
  picture.window.focus();
}

function getPageSize()
{
	var xScroll, yScroll;
  if(window.innerHeight && window.scrollMaxY)
  {
	  xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	}
	else if(document.body.scrollHeight > document.body.offsetHeight)
	{ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
	}
	else
	{ // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
	}
	var windowWidth, windowHeight;

	if(self.innerHeight)
	{	// all except Explorer
			if(document.documentElement.clientWidth)
			{
				windowWidth = document.documentElement.clientWidth;
			}
			else
			{
				windowWidth = self.innerWidth;
			}
			windowHeight = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
	{ // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
	}
	else if(document.body)
	{ // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
	}

		// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight)
	{
			pageHeight = windowHeight;
	}
	else
	{
			pageHeight = yScroll;
	}

		// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth)
	{
			pageWidth = xScroll;
	}
	else
	{
			pageWidth = windowWidth;
	}

	return [pageWidth,pageHeight];
}


	function exxiteImageOn(gid,imgname,imgx,imgy,imgtxt)
	{
    c=document.getElementById(gid);
    c.src=imgname;
    c=document.getElementById(gid+'p');
    c.style.width=String(imgx)+'px';
    c=document.getElementById(gid+'t');
    c.innerHTML=imgtxt;
    c=document.getElementById(gid+'c');
    ps=getPageSize();
    c.style.height=ps[1];
    c.style.display="block";
    c=document.getElementById(gid+'cc');
    c.style.display="block";
    c.style.top=document.body.scrollTop+50;
	}

	function exxiteImageOff(gid)
	{
		c=document.getElementById(gid);
    c.src='';
    c=document.getElementById(gid+'t');
    c.innerHTML='';
    c=document.getElementById(gid+'c');
    c.style.display="none";
    c=document.getElementById(gid+'cc');
    c.style.display="none";
	}