function keypress(e) {
            var code=e.keyCode
            if (navigator.appName == 'Microsoft Internet Explorer') 
		selection = document.selection.createRange().text;
	 else 
		selection= document.getSelection();
               selection = selection.replace(/^\s*|\s*$/g,'')
	eselection = encodeURI(selection);
	uselection = selection.replace(/\s+/g,"_");
	uselection = uselection.substring(0,1).toUpperCase() + uselection.substring(1);
	uselection = encodeURI(uselection);
	
               if (selection !="") {
                        if (code==87)  document.location = "http://en.wikipedia.org/wiki/"  +uselection  //w
                        if (code==71)  document.location = "http://www.google.co.uk/search?q=" + eselection //g
                        if (code==66)  document.location =  "?resource=" + uselection //b
                        if (code==73)  document.location = "http://images.google.co.uk/images?q="  + eselection //i
                        if (code==76)  document.location =  selection  //  l
                        if (code==77)  document.location = "http://maps.google.co.uk/maps?q=" + eselection //m
                        if (code==68)  document.location =  "http://dbpedia.org/resource/"  +uselection     // d  
                        
                }
                
}