// JavaScript Document

function getE(id){
	return document.getElementById(id);
}

function ShowInfo(obj){
	getE(obj).style.display = 'block';
}

function HideInfo(obj){
	getE(obj).style.display = 'none';
	
}

function Check(TextArea,CheckBox) {
	
	if (getE(CheckBox).checked == false) {
		getE(TextArea).style.visibility = 'hidden';
	} else {
		getE(TextArea).style.visibility = 'visible';
	}
}

function getScrollXY(obj) {
  var windowHeight = alertSize(); 
  var scrOfX = 0, scrOfY = 0;
  
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  
  //alert((windowHeight/2) + scrOfY);
  
  document.getElementById(obj).style.marginTop = String((windowHeight/2) + scrOfY - 150) + 'px'; 
  //return [ scrOfX, scrOfY ];
}

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 myHeight; 
}