function iPop(img,w,h,altxt,ttl){var tooBig=false;iPopURL='ipop.html';url=iPopURL+'?'+img+(altxt?'&'+escape(altxt):'')+(ttl?'&'+escape(ttl):'');if(w>screen.availWidth){w=screen.availWidth;tooBig=true;}if(h>screen.availHeight){h=screen.availHeight;tooBig=true;}l=(screen.availWidth-w)/2;t=(screen.availHeight-h)/2;attribs='width='+w+',height='+h+',left='+l+',top='+t;if(tooBig)attribs+=',scrollbars=yes,scrollbars';open(url,'',attribs);}