function getBodyScrollTop()
{
  return self.pageYOffset || (document.documentElement && document.documentElement.scrollTop) || (document.body && document.body.scrollTop);
}

function addHandler(object, event, handler)
{
  if (typeof object.addEventListener != 'undefined')
    object.addEventListener(event, handler, false);
  else if (typeof object.attachEvent != 'undefined')
    object.attachEvent('on' + event, handler);
  else
    throw "Incompatible browser";
}

function getleft(elem)
{
s=elem.style.left;
v=s.substring(0,s.indexOf("p"));
v1=eval(v);
return(v1);
}
function hint_table(cont,hide,corn)
{
var ret="<table cellspacing=0 cellpadding=0 class='popup_table'><tr><td class='popup_table11'><\/td><td class='popup_table12'><\/td><td class='popup_table"+corn+"'><\/td><\/tr><tr><td class='popup_table21'><\/td><td class='popup_table22'>";
ret+="<img src=\"images/popclose.jpg\" class=\"popup_hide\" onclick=\""+hide+"\">"+cont;
ret+="<\/td><td class='popup_table23'><\/td><\/tr><tr><td class='popup_table31'><\/td><td class='popup_table32'><\/td><td class='popup_table33'><\/td><\/tr><\/table>";
return ret;
}

function gallery_popup(elm,varn)
{
var varname=varn;
var phpp=elm;
var cur_item=0;
var x=500;
var y=375;
var images=new Array();

this.add_item=function(itm)
{
images[images.length]=new Image(x,y);
images[images.length-1].src=itm;
}

this.show=function(i)
{
cur_item=i;
this.show_item(0);
var leftt=((document.body.clientWidth-x)/2-getElementPosition(phpp.offsetParent).left);
var topp=((document.body.clientHeight-y)/2+getBodyScrollTop()-getElementPosition(phpp.offsetParent).top);
phpp.style.left=leftt+'px';
phpp.style.top=topp+'px';
phpp.style.visibility='visible';
}

this.init=function(px,py,ix,iy)
{
phpp.innerHTML=hint_table("<img id=\"popimg\" src=\"images/Cinema.jpg\" style=\"width:"+ix+"px;height:"+iy+"px\" align=\"center\"/><br/><br/><img id='imgprev' src='images/popleft.png' onclick='"+varname+".show_item(-1);' /><img id='imgnext' src='images/popright.png' onclick='"+varname+".show_item(1)' />",varname+".hide()",13);
phpp.style.width=px+'px';
phpp.style.height=py+'px';
y=py;x=px;
}

this.show_item=function(i)
{
cur_item+=i;
if(cur_item<=0){cur_item=0;document.getElementById('imgprev').style.visibility='hidden';}else document.getElementById('imgprev').style.visibility='visible';
if(cur_item>=images.length-1){cur_item=images.length-1;document.getElementById('imgnext').style.visibility='hidden';}else document.getElementById('imgnext').style.visibility='visible';
document.getElementById('popimg').src=images[cur_item].src;
}
this.save_item=function()
{
w1=window.open();
w1.location.href=images[cur_item].src;
w1.close;
}

this.hide=function()
{
phpp.style.visibility='hidden';
document.getElementById('imgprev').style.visibility='hidden';
document.getElementById('imgnext').style.visibility='hidden';
}
}

function getElementPosition(elem)
{
//    var w = elem.offsetWidth;
//    var h = elem.offsetHeight;
	
    var l = 0;
    var t = 0;
	
    while (elem)
    {
        l += elem.offsetLeft;
        t += elem.offsetTop;
        elem = elem.offsetParent;
    }

//    return {"left":l, "top":t, "width": w, "height":h};
    return {"left":l, "top":t};
}

function getElementComputedStyle(elem, prop)
{
  if (typeof elem!="object") elem = document.getElementById(elem);
  
  // external stylesheet for Mozilla, Opera 7+ and Safari 1.3+
  if (document.defaultView && document.defaultView.getComputedStyle)
  {
    if (prop.match(/[A-Z]/)) prop = prop.replace(/([A-Z])/g, "-$1").toLowerCase();
    return document.defaultView.getComputedStyle(elem, "").getPropertyValue(prop);
  }
  
  // external stylesheet for Explorer and Opera 9
  if (elem.currentStyle)
  {
    var i;
    while ((i=prop.indexOf("-"))!=-1) prop = prop.substr(0, i) + prop.substr(i+1,1).toUpperCase() + prop.substr(i+2);
    return elem.currentStyle[prop];
  }
  
  return "";
}

function text_popup(elm,varn)
{
var varname=varn;
var phpp=elm;
var x=500;
var y=375;
var txt=new String();


this.show=function(i,e)
{
this.txt=i;
phpp.style.right='0px';
phpp.style.bottom='0px';
phpp.innerHTML=hint_table(this.txt,varname+".hide()",34);
var topp;
if(getElementPosition(e.target).left>0)
left=getElementPosition(e.target).left-getElementPosition(phpp.offsetParent).left-phpp.clientWidth+10;
else
left=e.clientX-getElementPosition(phpp.offsetParent).left-phpp.clientWidth;
if(getElementPosition(e.target).top>0)
topp=getElementPosition(e.target).top-getElementPosition(phpp.offsetParent).top-phpp.clientHeight+55;
else
topp=e.clientY-getElementPosition(phpp.offsetParent).top-phpp.clientHeight+70;
//alert(getElementPosition(e.target).top+"-"+getElementPosition(phpp.offsetParent).top+"-"+phpp.clientHeight+"="+topp);
//}
phpp.style.visibility='visible';
phpp.style.left=left+'px';
phpp.style.top=topp+'px';
//alert(phpp.style.left);
}

this.init=function(px,py)
{
this.x=px;this.y=py;
phpp.style.width=px+'px';
phpp.style.height=py+'px';
phpp.style.right='0px';
phpp.style.bottom='0px';
}

this.hide=function()
{
phpp.style.visibility='hidden';
phpp.style.right='0px';
phpp.style.bottom='0px';
}
}