var speedinterval = 20;
var Xneg=0;
var Yneg=0;
var osx=0;
function DHTML_init() { 
	DHTML=0,DOM=0,MS=0,NS=0,OP=0;
	if (window.opera) {
		OP = 1;
	}
	if(document.getElementById) {
		DHTML = 1;
		DOM = 1;
	}
	if(document.all && !OP) {
		DHTML = 1;
		MS = 1;
	}
	if(document.layers && !OP) {
		DHTML = 1;
		NS = 1;
	}
	
	if (checkbrowser('os x')) {osx = 1}
	else {osx = 0}
}

function checkbrowser(string)
{
var detek = navigator.userAgent.toLowerCase();
        plass = detek.indexOf(string) + 1;
        return plass;
} 

function ScrollpositionY() { 
	var temp = window.pageYOffset;
	if (MS) temp = window.document.body.scrollTop; 
	return temp;
}
function ScrollpositionX() { 
	var temp = window.pageXOffset;
	if (MS) temp = window.document.body.scrollLeft; 
	return temp;
	}
function scrollnow(fromX,fromY,toX,toY,sX,sY,yprior) {
	if (yprior==1) { 
		if (Yneg==1) {
			if ((fromY+sY)>toY) {
				fromX=fromX+sX;
				fromY=fromY+sY;
				window.scroll(fromX,fromY); 
				var timeoutString = "scrollnow(" + fromX + "," + fromY + "," + toX + "," + toY + "," + sX + "," + sY + "," + yprior + ")";
				var scroll_Timeout = window.setTimeout(timeoutString,speedinterval); 
			}
			else {
				window.scroll(toX,toY);
				scrolltopnow();
			}
		}
		else {
			if ((fromY+sY)<toY) {
				fromX=fromX+sX;
				fromY=fromY+sY;
				window.scroll(fromX,fromY); 
				var timeoutString = "scrollnow(" + fromX + "," + fromY + "," + toX + "," + toY + "," + sX + "," + sY + "," + yprior + ")";
				var scroll_Timeout = window.setTimeout(timeoutString,speedinterval); 
			}
			else {
				window.scroll(toX,toY);
				scrolltopnow();
			}
		}
	}
	else {
		if (Xneg==1) {
			if ((fromX+sX)>toX) {
				fromX=fromX+sX;
				fromY=fromY+sY; 
				window.scroll(fromX,fromY);
				var timeoutString = "scrollnow(" + fromX + "," + fromY + "," + toX + "," + toY + "," + sX + "," + sY + "," + yprior + ")";
				var scroll_Timeout = window.setTimeout(timeoutString,speedinterval)
			}
			else {
				window.scroll(toX,toY);
				scrolltopnow();
			}
		}	
		else {
			if ((fromX+sX)<toX) {
				fromX=fromX+sX;
				fromY=fromY+sY; 
				window.scroll(fromX,fromY);
				var timeoutString = "scrollnow(" + fromX + "," + fromY + "," + toX + "," + toY + "," + sX + "," + sY + "," + yprior + ")";
				var scroll_Timeout = window.setTimeout(timeoutString,speedinterval)
			}
			else {
				window.scroll(toX,toY);
				scrolltopnow();
			}
		}
	}	
}

function scrollit(toX,toY,speed) {
	var fromX=ScrollpositionX();
	var fromY=ScrollpositionY();
	if (osx) speed=speed+20;
	if ((toX-fromX)<0) {
		sX=speed*-1;
		diffX=fromX-toX;
		Xneg=1;
		}
	else {
		sX=speed;
		diffX=toX-fromX;
		Xneg=0;
		}
	
	if ((toY-fromY)<0) {
		sY=speed*-1;
		diffY=fromY-toY;
		Yneg=1;
		}
	else {
		sY=speed;
		diffY=toY-fromY;
		Yneg=0;
		}
	
	if (diffY>diffX) {
		sX=sX*(diffX/diffY);
		scrollnow(fromX,fromY,toX,toY,sX,sY,1);
		}	
	else {
		sY=sY*(diffY/diffX);
		scrollnow(fromX,fromY,toX,toY,sX,sY,0);
		}	
	}
	
DHTML_init();