/**
 * getPageSize() by quirksmode.com
 *
 * @return Array Return an array with page width, height and window width, height
 */
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;
    }
    arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
    return arrayPageSize;
};

/* getPageScroll() by quirksmode.com
 *
 * @return Array Return an array with x,y page scroll values.
 */
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;
};

//Função para validacao do conteudo do fckEditor
//Recebe em args.Value o o id da instÂncia do fckEditor
function ValidatetbTexto(source,args){
    var fckBody = FCKeditorAPI.GetInstance(args.Value);
    if (fckBody){
        args.IsValid = (fckBody.GetXHTML(true) != null && fckBody.GetXHTML(true) != "");
        return;
    }
    args.IsValid = false;
}