function p(v) { return parseInt(v); }
function g(v) { return document.getElementById(v); }
function rxpos(v) {
	var obj = g(v);
	var cx = 0;
	if (obj.offsetParent) {
		cx = obj.offsetLeft
		while (obj = obj.offsetParent) {
			cx += obj.offsetLeft
		}
	}
	return cx;
}

function rypos(v) {
	var obj = g(v);
	var cy = 0;
	if (obj.offsetParent) {
		cy = obj.offsetTop
		while (obj = obj.offsetParent) {
			cy += obj.offsetTop
		}
	}
	return cy;
}

function rxposObj(v) {
	var obj = v;
	var cx = 0;
	if (obj.offsetParent) {
		cx = obj.offsetLeft
		while (obj = obj.offsetParent) {
			cx += obj.offsetLeft
		}
	}
	return cx;
}

function ryposObj(v) {
	var obj = v;
	var cy = 0;
	if (obj.offsetParent) {
		cy = obj.offsetTop
		while (obj = obj.offsetParent) {
			cy += obj.offsetTop
		}
	}
	return cy;
}

function getPageSize(){
	// 0=pageWidth, 1=pageHeight, 2=windowWidth, 3=windowHeight
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


function createLine(X,Y,W,H,bgcolor,zindex,line_id) {
	var line = null;
	var is_new_line = (document.getElementById(line_id) == null);
	if (is_new_line) {
		line = document.createElement("img");
		line.setAttribute("id", line_id);
		line.setAttribute("src", "img/space.gif");
		line.style.position = "absolute";
		document.body.appendChild(line);
	} else {
		line = document.getElementById(line_id);
	}
	line.style.left = ((X)?X:1) + "px";
	line.style.top = ((Y)?Y:1) + "px";
	line.style.width  = ((W)?W:1) + "px";
	line.style.height = ((H)?H:1) + "px";
	line.style.backgroundColor = ((bgcolor)?bgcolor:'#000000');
	if (zindex) line.style.zIndex = zindex;
}