// create a popup at 100,100
// credit due: http://dhtmlpopups.webarticles.org/

function myPopupRelocate( idx ) {
	var scrolledX, scrolledY;
	if( self.pageYOffset ) {
		scrolledX = self.pageXOffset;
		scrolledY = self.pageYOffset;
	} else if( document.documentElement && document.documentElement.scrollTop ) {
		scrolledX = document.documentElement.scrollLeft;
		scrolledY = document.documentElement.scrollTop;
	} else if( document.body ) {
		scrolledX = document.body.scrollLeft;
		scrolledY = document.body.scrollTop;
	}

	var leftOffset = scrolledX + 100;
	var topOffset = scrolledY + 100;
	
	document.getElementById("screenshot"+idx).style.top = topOffset + "px";
	document.getElementById("screenshot"+idx).style.left = leftOffset + "px";
}

function fireMyPopup(idx,num) {
	// close all popups
	for( i = 1; i <= num; i++ ) {
		document.getElementById("screenshot"+i).style.display = "none";
	}
	myPopupRelocate( idx );
	document.getElementById("screenshot"+idx).style.display = "block";
}