function detect_browsers() {

	isDOM = (document.getElementById) ? 1:0; //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+)
	Explorer4 = (document.all && document.all.item) ? 1:0; //Microsoft Internet Explorer 4+
	Netscape = (document.layers) ? 1:0; //Netscape 4.*
	Opera = (window.opera) ? 1:0; //Opera
	Opera5 = (Opera && isDOM) ? 1:0; //Opera 5+
	Explorer5 = (isDOM && Explorer4) ? 1:0; //MSIE 5+
	Konqueror = (isDOM && navigator.appName == 'Konqueror'); // Konqueror
	Mozilla = (isDOM && !Explorer4 && !Opera) ? 1:0; //Mozilla & Netscape 6.*
}

function windowPos() {
	WH2=800;
	if (Explorer5) {
	    if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
		WH2 = document.documentElement.clientHeight;
	    }
	    else if(document.body && ( document.body.clientWidth || document.body.clientHeight)) {
		WH2 = document.body.clientHeight;
	    }
	}
	if (Netscape || Mozilla || Opera5 || Opera || Konqueror) {
		WH2 = window.innerHeight;
	}

	if (WH2 < 220) {
		WH2 = 220;
	} else if (WH2 > 1024) {
		WH2 = 1024;
	}
	sisuh = WH2-220;
	sftop = WH2-70;

	if (WH1 != WH2) {
		if (Explorer5) {
			document.all.sisum.style.pixelHeight = sisuh;
		} else if (Netscape) {
			document.sisum.height = sisuh;
		} else if (Opera5) {
			document.getElementById("sisum").style.height = sisuh;
		} else if (Opera || Mozilla || Konqueror) {
			document.getElementById("sisum").style.height = sisuh + "px";
		}
		WH1 = WH2;
	}
}

function sliding_start() {
	self.onError = null; // ignore errors (FIXME)

	detect_browsers();
	if (Explorer5) {
	    if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
		WH1 = document.documentElement.clientHeight+1;
	    }
	    else if(document.body && ( document.body.clientWidth || document.body.clientHeight)) {
		WH1 = document.body.clientHeight+1;
	    }
	}

	if (Netscape || Mozilla || Opera5 || Opera || Konqueror) {
		WH1 = window.innerHeight+1;
	}

	window.setInterval("windowPos()", 250);
}

if (screen.height>480) {
	var WH1=1024;
	sliding_start();
}