function doWin(myTitle,myUrl){
	// get screen available height	
	// THIS BIT DETECTS THE AVAILABLE SCREEN SPACE AND ORIGINATES FROM http://www.quirksmode.org/viewport/compatibility.html	
	var x,y,screenAvailableHeight,myHeight;	if (self.innerHeight) 
	// all except Explorer	
	{		
			x = self.innerWidth;
			y = self.innerHeight;	
	}	
	else if (document.documentElement && document.documentElement.clientHeight)
			// Explorer 6 Strict Mode	
	{		
			x = document.documentElement.clientWidth;		
			y = document.documentElement.clientHeight;	
	}
	else if (document.body) // other Explorers	
	{
			x = document.body.clientWidth;
			y = document.body.clientHeight;
	}
	myHeight=y-100;	
	// NOW SEND THE MODAL WINDOW	
	myUrl=myUrl+'?TB_iframe=true&height='+myHeight+'&width=800';
	return TB_show(myTitle,myUrl,false);
}