//imagewindow(nav,imgwidth,imgheight,c)
var background="#eee";var windowtitle="Image Window";function detectexist(obj){return(typeof obj!="undefined")}function imagewindow(nav,imgwidth,imgheight,c){function getpos(){leftpos=(detectexist(window.screenLeft))?screenLeft+document.body.clientWidth/2-imgwidth/2:detectexist(window.screenX)?screenX+innerWidth/2-imgwidth/2:0;toppos=(detectexist(window.screenTop))?screenTop+document.body.clientHeight/2-imgheight/2:detectexist(window.screenY)?screenY+innerHeight/2-imgheight/2:0;if(window.opera){leftpos-=screenLeft;toppos-=screenTop}}getpos();var winattributes="width="+imgwidth+",height="+imgheight+",resizable=no,left="+leftpos+",top="+toppos+"";var bodyattribute=(background.indexOf(".")!=-1)?'background="'+background+'"':'bgcolor="'+background+'"';if(typeof imgwin=="undefined"||imgwin.closed){imgwin=window.open("","",winattributes)}else{getpos();imgwin.moveTo(leftpos,toppos);imgwin.resizeTo(imgwidth,imgheight+81)}imgwin.document.open();imgwin.document.write(""+windowtitle+'');imgwin.document.close();imgwin.focus()};