function opendemo(demotype) {
	if ((demotype=='lexisoralarguments') && lexisoralargumentsinstalled)
	{
		Visionplayer=void(window.open('lexis/index.htm','Visionplayer','width=740,height=600,top=20,left=20,status=0'))
	}
	else if ((demotype=='debates') && debatesinstalled)
	{
		Visionplayer=void(window.open('presidential_debates/index.html','Visionplayer','width=1024,height=748,top=0,left=0,status=0,resizable=true,scrollbars=1'))
	}
	else if ((demotype=='afp') && afpinstalled)
	{
		Visionplayer=void(window.open('afp/index.htm','Visionplayer','width=1024,height=748,top=0,left=0,status=0,resizable=true,scrollbars=1'))
	}
	else if ((demotype=='conventions') && conventionsinstalled)
	{
		Visionplayer=void(window.open('conventions/index.html','Visionplayer','width=1024,height=748,top=0,left=0,status=0,resizable=true,scrollbars=1'))
	}
		else if ((demotype=='speeches') && speechesinstalled)
	{
		Visionplayer=void(window.open('presidential_speeches/index.html','Visionplayer','width=1024,height=748,top=0,left=0,status=0,resizable=true,scrollbars=1'))
	}
		else if ((demotype=='ap') && apinstalled)
	{
		Visionplayer=void(window.open('ap/index.htm','MultilingualPlayer','width=650,height=700,top=0,left=0,status=0,resizable=true,scrollbars=1'))
	}
		else if ((demotype=='nhk') && nhkinstalled)
	{
		Visionplayer=void(window.open('nhk/index.htm','NHKMultilingualPlayer','width=650,height=700,top=0,left=0,status=0,resizable=true,scrollbars=1'))
	}
	else if ((demotype=='nascar') && nascarinstalled)
	{
		Visionplayer=void(window.open('http://lapbylap.nascar.com/player2.html','LapbyLapPlayer','width=1050,height=650,top=0,left=0,status=0,resizable=false,scrollbars=1'))
	}
	else if ((demotype=='abc_storytellers') && abcstorytellersinstalled)
	{
		Visionplayer=void(window.open('abc_storytellers/index.htm','ABCStorytellers','width=760,height=545,top=0,left=0,status=0,resizable=false,scrollbars=0'))
	}

	
	else 
	{
		alert("Please email info@visionbytes.com for more details on this product");
	}
}