function popupcentree(page,largeur,hauteur,options)
{
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

function zoomImage(monImage){ 

//function to enlarge image. Change as desired.
//var actualWidth=typeof optWidth!="undefined" ? optWidth : "600px" //set 600px to default width
//var actualHeight=typeof optHeight!="undefined" ? optHeight : "500px" //set 500px to  default height
//var winattributes="width="+actualWidth+",height="+actualHeight+",resizable=yes"
//window.open(path,"", winattributes)


w = window.open('','Chargement','width=10,height=10');
 w.document.write( "<html><head><title>TARMAC</title>\n" );
 w.document.write( "<script language='JavaScript'>\n");
 w.document.write( "IE5=NN4=NN6=false;\n");
 w.document.write( "if(document.all)IE5=true;\n");
 w.document.write( "else if(document.getElementById)NN6=true;\n");
 w.document.write( "else if(document.layers)NN4=true;\n");
 w.document.write( "function autoSize() {\n");
 w.document.write( "if(IE5) self.resizeTo(document.images[0].width+10,document.images[0].height+49);\n");
 w.document.write( "else if(NN6) self.sizeToContent();\n");
 w.document.write( "else window.resizeTo(document.images[0].width,document.images[0].height+20);\n");
 w.document.write( "self.focus();\n");
 w.document.write( "}\n</scri");
 w.document.write( "pt>\n");
 w.document.write( "</head><body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0 onLoad='javascript:autoSize();'>" );
 w.document.write( "<a href='javascript:window.close();'><img src='"+monImage+"' border=0></a>" );
 w.document.write( "</body></html>" );
 w.document.close();
}
