/* Gets the X offset of the specified element */
function getX (element) {
	var offset = 0;
	if (typeof element.offsetParent != 'undefined') {
		do {
			offset += element.offsetTop;
			element = element.offsetParent;
		} while (element != null)
	}
	return offset;
}

/* Gets the Y offset of the specified element */
function getY (element) {
	var offset = 0;
	if (typeof element.offsetParent != 'undefined') {
		do {
			offset += element.offsetLeft;
			element = element.offsetParent;
		} while (element != null)
	}
	return offset;
}

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;

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

	return [pageWidth+10,pageHeight+20];
}

function formFieldsMarkError (enclosingId) {

	var items = $(enclosingId).childElements();

	for (var i = 0; i < items.length; i++) {
		
		if (items[i].className == 'inputTextLeft')
			items[i].className = 'inputTextLeftRed';

		if (items[i].className == 'inputTextBox')
			items[i].className = 'inputTextBoxRed';
			
		if (items[i].className == 'inputTextRight')
			items[i].className = 'inputTextRightRed';
			
		if (items[i].className == 'inputAreaLeft')
			items[i].className = 'inputAreaLeftRed';

		if (items[i].className == 'inputAreaBox')
			items[i].className = 'inputAreaBoxRed';
			
		if (items[i].className == 'inputAreaRight')
			items[i].className = 'inputAreaRightRed';			

	}
	
	return true;

}

function formFieldsMarkNormal (enclosingId) {

	var items = $(enclosingId).childElements();

	for (var i = 0; i < items.length; i++) {
		
		if (items[i].className == 'inputTextLeftRed')
			items[i].className = 'inputTextLeft';

		if (items[i].className == 'inputTextBoxRed')
			items[i].className = 'inputTextBox';
			
		if (items[i].className == 'inputTextRightRed')
			items[i].className = 'inputTextRight';
			
		if (items[i].className == 'inputAreaLeftRed')
			items[i].className = 'inputAreaLeft';

		if (items[i].className == 'inputAreaBoxRed')
			items[i].className = 'inputAreaBox';
			
		if (items[i].className == 'inputAreaRightRed')
			items[i].className = 'inputAreaRight';			

	}
	
	return true;

}