function popup(name,url,width,height){
	ypos=screen.width/2-width/2;
	xpos=(screen.height-60)/2-(height/2);
	if(win=window.open(url,name,"height="+height+",width="+width+",innerHeight="+height+",innerWidth="+width+",screenX="+xpos+",screenY="+ypos+",top="+xpos+",left="+ypos+",resizable=no,menubar=no,locationbar=no"))win.focus();
	return;
}
function popup_scroll(name,url,width,height){
	ypos=screen.width/2-width/2;
	xpos=(screen.height-60)/2-(height/2);
	if(win=window.open(url,name,"height="+height+",width="+width+",innerHeight="+height+",innerWidth="+width+",screenX="+xpos+",screenY="+ypos+",top="+xpos+",left="+ypos+",resizable=yes,menubar=no,locationbar=no,scrollbars=yes"))win.focus();
	return;
}
function popup_full(name,url,width,height){
	ypos=screen.width/2-width/2;
	xpos=(screen.height-60)/2-(height/2);
	if(win=window.open(url,name,"height="+height+",width="+width+",innerHeight="+height+",innerWidth="+width+",screenX="+xpos+",screenY="+ypos+",top="+xpos+",left="+ypos+',toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,copyhistory=yes,resizable=yes'))win.focus();
	return;
}


function popup_resizable(name,url,width,height){
	ypos=screen.width/2-width/2;
	xpos=(screen.height-60)/2-(height/2);
	if(win=window.open(url,name,"height="+height+",width="+width+",innerHeight="+height+",innerWidth="+width+",screenX="+xpos+",screenY="+ypos+",top="+xpos+",left="+ypos+',toolbar=no,location=no,directories=no,status=yes,menubar=yes,scrollbars=yes,copyhistory=yes,resizable=yes'))win.focus();
	return;
}