function OpenReco(MyFile,MyWindow,MyWidth,MyHeight)
{    
var ns4 = (document.layers)? true:false;    //NS 4 
var ie4 = (document.all)? true:false;   //IE 4
var ns5 = (document.layers)? true:false;    //NS 5
var ie5 = (document.all)? true:false;   //IE 5
var ie6 = (document.all)? true:false;   //IE 6    
var dom = (document.getElementById)? true:false;   //DOM 
var xMax, yMax, xOffset, yOffset;;    

    if (ie4 || dom)
        {
        xMax = screen.width;
        yMax = screen.height;
        }
	else if (ns4)
        {
        xMax = window.outerWidth;
        yMax = window.outerHeight;
        }
	else if (ie5 || dom)
        {
        xMax = window.outerWidth;
        yMax = window.outerHeight;
        }
	else if (ns5)
        {
        xMax = window.outerWidth;
        yMax = window.outerHeight;
        }
    	else if (ie6 || dom)
        {
        xMax = window.outerWidth;
        yMax = window.outerHeight;
        }
    	else
        {
        xMax = 650;
        yMax = 400;
        }
    xOffset = (xMax - 650)/2;
    yOffset = (yMax - 400)/2;
    window.open(MyFile,MyWindow,'width='+MyWidth
+',height='+MyHeight
+',screenX='+xOffset
+',screenY='+yOffset
+',top='+yOffset
+',left='+xOffset
+',scrollbars=no,resizable=no');
}