function openpicturewindow(imageName,imageWidth,imageHeight,alt,bgcolor,hugger,hugMargin) {
if (bgcolor=="") { bgcolor="#FFFFFF"; }
var adj=10;var w = screen.width; var h = screen.height;
var byFactor=1;if(w<740){ var lift=0.90;}
if(w>=740 & w<835){ var lift=0.91;}
if(w>=835){ var lift=0.93; }
if (imageWidth>w){ byFactor = w / imageWidth; imageWidth = w; imageHeight = imageHeight * byFactor;}
if (imageHeight>h-adj){ byFactor = h / imageHeight; imageWidth = (imageWidth * byFactor); imageHeight = h; }
var scrWidth = w-adj; var scrHeight = (h*lift)-adj;
if (imageHeight>scrHeight){imageHeight=imageHeight*lift;imageWidth=imageWidth*lift;}
var posLeft=0;var posTop=0;
if (hugger == "hug image"){ if (hugMargin == ""){ hugMargin = 0; }
var scrHeightTemp = imageHeight - 0 + 2*hugMargin;
if (scrHeightTemp < scrHeight) {scrHeight = scrHeightTemp; } 
var scrWidthTemp = imageWidth - 0 + 2*hugMargin;
if (scrWidthTemp < scrWidth) {scrWidth = scrWidthTemp; }
if (scrHeight<100){scrHeight=100;}
if (scrWidth<100){scrWidth=100;}
posTop =  ((h-(scrHeight/lift)-adj)/2);
posLeft = ((w-(scrWidth)-adj)/2);}
if (imageHeight > (h*lift)-adj || imageWidth > w-adj){imageHeight=imageHeight-adj;imageWidth=imageWidth-adj;}
posTop = parseInt(posTop);posLeft = parseInt(posLeft);scrWidth = parseInt(scrWidth); scrHeight = parseInt(scrHeight); 
var agt=navigator.userAgent.toLowerCase();
if (agt.indexOf("opera") != -1){var args= new Array(); args[0]='parent'; args[1]=imageName; var i ; document.MM_returnValue = false;
for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
} else {
newWindow = window.open("dummy.htm","newWindow","width="+scrWidth+",height="+scrHeight+",left="+posLeft+",top="+posTop);
newWindow.document.open();
newWindow.document.write('<html><title>'+alt+'</title><body leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" bgcolor='+bgcolor+' onBlur="self.close()" onClick="self.close()">');  
newWindow.document.write('<table width='+imageWidth+' border="0" cellspacing="0" cellpadding="0" align="center" height='+scrHeight+' ><tr><td>');
newWindow.document.write('<img src="'+imageName+'" width='+imageWidth+' height='+imageHeight+' alt="'+alt+'" >'); 
newWindow.document.write('</td></tr></table></body></html>');
newWindow.document.close();
newWindow.focus();
}
}
