var FormularN = "";
function formpopup(FormName)
 { 
   var url = '/'+FormName+'.php';
   var pars = ""; 
   FormularN = FormName;
   var myAjax = new Ajax.Request( url, 
  	{
  	  method: 'get', 
  	  parameters: pars, 
  	  onComplete: ShowForm
  	});
        
  
  return false;
 }
 
function HideReg()
 { var RegForm = $('RegForm');
   RegForm.innerHTML = "";
   RegForm.style.display = "none";
 }
 
function ShowForm(originalRequest)
 {
   var Form = originalRequest.responseText;
   var RegForm = $('RegForm');
   RegForm.innerHTML = '<div id="closeBut"><a href="#" onclick="HideReg()"><img src="/images/close.jpg" /></a></div>'+Form;
   RegForm.style.display = "block";

   var arrayPageSize = getPageSize();
   var pageWidth = arrayPageSize[0];
   var pageHeight = arrayPageSize[1];
   var windowWidth = arrayPageSize[2];
   var windowHeight = arrayPageSize[3];
   var FormHeight = 447; 
   var FormWidth = 496; 
   var registerForm = $(FormularN+'Form');
   var RegLeft = ((pageWidth-FormWidth)/2);
   if (RegLeft<0) RegLeft=10;
   registerForm.style.left = RegLeft+"px";
   var RegTop = ((windowHeight-FormHeight)/2);
   if (RegTop<0) RegTop=10;
   registerForm.style.top = RegTop+"px";
   RegForm.style.width = pageWidth+"px";
   RegForm.style.height = pageHeight+"px";
   var closeBut = $('closeBut');
   closeBut.style.left = (RegLeft + FormWidth -40)+"px";
   closeBut.style.top = (RegTop + 20)+"px";
 }
 
 function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		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
		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 = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

function doSomething()
 { var logo = $('logo');
   logo.innerHTML = 'mama';
 }