// RETURN DOCUMENT DIMENSIONS
function getDocumentDimensions() {
	
	var nWidth = window.innerWidth || (document.documentElement.clientWidth || document.body.clientWidth);
	var nHeight = window.innerHeight || (document.documentElement.clientHeight || document.body.clientHeight);
	
	if (isNaN(nWidth)) nWidth = 0;
	if (isNaN(nHeight)) nHeight = 0;
	
	return {width:nWidth, height:nHeight };

}

// CHECK DOCUMENT SIZE AND RESIZE WHEN NEEDED (POPUP)
function checkWindow() {

	var nMinWidth = 1000;
	var nMinHeight = 645;
	var objDim = getDocumentDimensions();
	
	if (objDim.width < nMinWidth && objDim.height < nMinHeight) {
		window.resizeTo(1024, 768)
	}

}