function copy_object(object) {
	// Workaround, um statt einer Referenz auf das Original eine echte Kopie eines Objektes zu erzeugen
	if (typeof(object) == 'object') {
		return string2Object(object2String(object));
	}
	return false;
}

function extend_multidimensional(destination, source) {
	for (var property in source) {
		if (typeof(destination[property]) == 'object') {
			destination[property] = extend_multidimensional(destination[property], source[property]);
		} else {
			destination[property] = source[property];
		}
	}
	return destination;
}

function get_object(object, count) {
	var spacer = "";
	for (var i=0; i<=count; i++) {
		spacer += " ";
	}
	var output = "";
	for (var property in object) {
		if (typeof(object[property]) == 'object') {
			output += "\r\n" + spacer + " [" + property + "]:\r\n" + get_object(object[property], count + 5); 
		} else {
			output += spacer + " " + property + " -> " + object[property] + "\r\n";
		}
	}
	return output + "\r\n";
}

function zeige_object(object, bezeichnung) {
	if (bezeichnung == undefined) {
		bezeichnung = '';
	}
	alert(bezeichnung + "\r\n\r\n" + get_object(object, 0));
}

function object2String(obj) {
    var val, output = "";
    if (obj) {    
        output += "{";
        for (var i in obj) {
            val = obj[i];
            switch (typeof val) {
                case ("object"):
                    if (val[0]) {
                        output += i + ":" + array2String(val) + ",";
                    } else {
                        output += i + ":" + object2String(val) + ",";
                    }
                    break;
                case ("string"):
                    output += i + ":'" + val + "',";
                    break;
                default:
                    output += i + ":" + val + ",";
            }
        }
        output = output.substring(0, output.length-1) + "}";
    }
    return output;
}

function array2String(array) {
    var output = "";
    if (array) {
        output += "[";
        for (var i in array) {
            val = array[i];
            switch (typeof val) {
                case ("object"):
                    if (val[0]) {
                        output += array2String(val) + ",";
                    } else {
                        output += object2String(val) + ",";
                    }
                    break;
                case ("string"):
                    output += "'" + escape(val) + "',";
                    break;
                default:
                    output += val + ",";
            }
        }
        output = output.substring(0, output.length-1) + "]";
    }
    return output;
}


function string2Object(string) {
    eval("var result = " + string);
    return result;
}

function string2Array(string) {
    eval("var result = " + string);
    return result;
}



// -----------------------------------------------------------------------------------
//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.com
// Edit for Firefox by pHaez
//

function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {
		xScroll = window.innerWidth + window.scrollMaxX;
		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;
	
//	console.log(self.innerWidth);
//	console.log(document.documentElement.clientWidth);

	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			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;
	}

//	console.log("xScroll " + xScroll)
//	console.log("windowWidth " + windowWidth)

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

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

// -----------------------------------------------------------------------------------

// -----------------------------------------------------------------------------------
//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.com
//
function getPageScroll(){

	var xScroll, yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}

	arrayPageScroll = new Array(xScroll,yScroll) 
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------