function winopen(url){
        win=window.open(url,"host","scrollbars=0,width=800,height=511");
    }

function winopen2(url){
        win=window.open(url,"host","scrollbars=0,width=320,height=540");
    }
	
function winopen3(url){
        win=window.open(url,"host","scrollbars=0,width=400,height=400");
    }
function winopen4(url){
        win=window.open(url,"host","scrollbars=0,width=655,height=655");
    }