function openPicWindow(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;}
var agt=navigator.userAgent.toLowerCase(); 
var is_opera = (agt.indexOf("opera") != -1); 
if (is_opera == true){
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("pix.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('<img src="'+imageName+'" width='+imageWidth+'height='+imageHeight+' alt="Click on picture to close" >'); 
newWindow.document.write('</body></html>');
newWindow.document.close();
newWindow.focus();}}
