var sW = screen.width;
var sH = screen.height;   

function sDGet() { // screen Dimensions Get
	if (self.screen.availWidth) {
		document.docForm.sW.value = self.screen.availWidth;
	}
	else if (sW) {
		document.docForm.sW.value = sW;
	} 
	if (self.screen.availHeight) {
		document.docForm.sH.value = self.screen.availHeight;
	}
	else if (sH) {
		document.docForm.sH.value = sH;
	}
}