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 + yScroll;
    } 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;
};

function alertSize() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  
  return new Array(myWidth, myHeight);
}


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;
};

/*
Object.prototype.clone = function() {
  var newObj = (this instanceof Array) ? [] : {};
  for (i in this) {
    if (i == 'clone') continue;
    if (this[i] && typeof this[i] == "object") {
      newObj[i] = this[i].clone();
    } else newObj[i] = this[i]
  } return newObj;
};
*/


ooo = {};

function clone(o) {
        
    if(!o || 'object' !== typeof o) {
        return o;
    }
    if('function' === typeof o.clone) {
        return o.clone();
    }
        
    var c = '[object Array]' === Object.prototype.toString.call(o) ? [] : {};
    
    var p, v;
    for(p in o) {
        
        if(o.hasOwnProperty(p)) {
            v = o[p];
            if(v && 'object' === typeof v) {
                c[p] = clone(v);
            }
            else {
                c[p] = v;
            }
        }
    }
    return c;
}; // eo function clone  


function rand(m, n){
    return Math.floor( Math.random( ) * (n - m + 1) ) + m;
}

function _escape(str){
    return encodeURI(str);
}