var prevWindow = null
function smallWindow(where,wsize,hsize,wname)	{
	if(!where||!wsize||!hsize||!wname){
		alert("Developer: You must define the 4 arguments")
	} else {
		wTop = 0
		wLeft = 0
		wname = wname;
		if(window.screen){
			wTop = (screen.availHeight/2)-(hsize/2)
			wLeft = (screen.availWidth/2)-(wsize/2)
		}
		wdimension = "";
		wdimension = wdimension + "toolbar=0,alwaysRaised=yes,location=0,directories=0";
		wdimension = wdimension + ",status=0,menubar=0,scrollbars=1,resizable=0,copyhistory=0";
		wdimension = wdimension + ",width=" + wsize;
		wdimension = wdimension + ",height=" + hsize;
		wdimension = wdimension + ",top=" + wTop;
		wdimension = wdimension + ",left=" + wLeft;
		if (!prevWindow || prevWindow.closed) {
			prevWindow = window.open( where, wname, wdimension );	
			prevWindow.focus();
		} else { 
			// if we can bring to to the front right now 
			prevWindow.close();
			prevWindow = window.open( where, wname, wdimension );	
			prevWindow.focus();
		}
	}
}