function open_webtv(urlstr)
	{
	popUpWebTvWin(urlstr,'webtv','800','450','no');
	var webTvWin1=0;
	function popUpWebTvWin(urlstr,name,w,h,scroll)
	{
	if(webTvWin1){
  	if(!webTvWin1.closed) webTvWin1.close();
	}
         	var links = (screen.availWidth-w)/2;
         	var oben = (screen.availHeight-h)/2;
         	var settings  ='height='+h+',';
            	settings +='width='+w+',';
        	settings +='top='+oben+',';
	settings +='left='+links+',';
	settings +='scrollbars=no,';
	settings +='status=yes,';
	settings +='resizable=no';
	webTvWin1=window.open(urlstr,name,settings);
	webTvWin1.focus();
	}	
	}
function open_webspot(urlstr)
	{
	popUpWebSpotWin(urlstr,'webspot','620','362','no');
	var webSpotWin1=0;
	function popUpWebSpotWin(urlstr,name,w,h,scroll)
	{
	if(webSpotWin1){
  	if(!webSpotWin1.closed) webSpotWin1.close();
	}
         	var links = (screen.availWidth-w)/2;
         	var oben = (screen.availHeight-h)/2;
         	var settings  ='height='+h+',';
            	settings +='width='+w+',';
        	settings +='top='+oben+',';
	settings +='left='+links+',';
	settings +='scrollbars=no,';
	settings +='status=yes,';
	settings +='resizable=no';
	webSpotWin1=window.open(urlstr,name,settings);
	webSpotWin1.focus();
	}	
	}
function open_tools(urlstr)
	{
	popUpToolWin(urlstr,'toolwin','620','362','no');
	var toolWin1=0;
	function popUpToolWin(urlstr,name,w,h,scroll)
	{
	if(toolWin1){
  	if(!toolWin1.closed) toolWin1.close();
	}
         	var links = (screen.availWidth-w)/2;
         	var oben = (screen.availHeight-h)/2;
         	var settings  ='height='+h+',';
            	settings +='width='+w+',';
        	settings +='top='+oben+',';
	settings +='left='+links+',';
	settings +='scrollbars=no,';
	settings +='status=yes,';
	settings +='resizable=no';
	toolWin1=window.open(urlstr,name,settings);
	toolWin1.focus();
	}	
	}