// FERALCATSCAN JavaScript



// To retrieve dimensions of the browser window dim().x & dim().y
function dim(){ 

    if(document.body.clientWidth) { 
	        this.x= document.body.clientWidth; 
	        this.y= document.body.clientHeight; 
	    } else { 
	        this.x = window.innerWidth; 
	        this.y = document.innerheight; 
	    } 
	return this; 
} 

function adjustForm(){

  if (document.all)
  {
      document.getElementById('submitButton').style.left = "4px";
      document.getElementById('ContactContainer').style.left = "8px";
      document.getElementById('ContactContainer').style.top = "68px";
  }
}


function invertImage( identity ){

  document.images[identity].src = "Images/"+identity+"Inverted.png"

}

function revertImage(identity){

  document.images[identity].src = "Images/"+identity+".png"

}


function centerPageContainer(){

  var left = 0;
  var top = 0;
  if(parseInt(dim().x) > 768)
    left= parseInt((parseInt(dim().x) - 768)/2);    
  document.getElementById('PageContainer').style.left = left;
  
  if(parseInt(dim().y) > 640)
    top= parseInt((parseInt(dim().y) - 640)/2);    
  document.getElementById('PageContainer').style.top = top;
  

}


function makePageContainerVisible(){

  document.getElementById('PageContainer').style.visibility = "visible";

}

function initialize() {

  centerPageContainer();
  makePageContainerVisible();
}

function changePositionLeft(identity,x){


  document.getElementById(identity).style.left = x;


}

function changePositionTop(identity,y){


  document.getElementById(identity).style.top = y;


}

function changePosition(identity,x,y){

  changePositionLeft(identity,x);
  changePositionTop(identity,y);

}

function changeBackgroundColor(identity){


}