var userAgent = navigator.userAgent.toLowerCase();
var is_ie = window.ActiveXObject && userAgent.indexOf('msie') != -1 && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

function $(id) {
    return typeof id == "string" ? document.getElementById(id) : id;
}

function ToggleElm (elm)
{
	var getelm = document.getElementById(elm);
	if(!getelm) {
		return false;
	}else{
		if(getelm.style.display=='none'){
			getelm.style.display='block';
		}else{
			getelm.style.display='none';
		}
	}
}

function DisableID (elm)
{
	var getelm = document.getElementById(elm);
	if(!getelm) {
		return false;
	}else{
		getelm.disabled='disabled';	
	}
	
}

function EnableID (elm)
{
	var getelm = document.getElementById(elm);
	if(!getelm) {
		return false;
	}else{
		getelm.disabled='';	
	}
	
}

function select_deselectAll (formname, elm, group)
{
	var frm = document.forms[formname];
	
    for (i=0; i<frm.length; i++)
    {
        if (elm.attributes['checkall'] != null && elm.attributes['checkall'].value == group)
        {
            if (frm.elements[i].attributes['checkme'] != null && frm.elements[i].attributes['checkme'].value == group)
              frm.elements[i].checked = elm.checked;
        }
        else if (frm.elements[i].attributes['checkme'] != null && frm.elements[i].attributes['checkme'].value == group)
        {
            if(frm.elements[i].checked == false)
            {
                frm.elements[1].checked = false;
            }
        }
    }
}

function ShowBigImage(src, delay){
	if(typeof tt != 'undefined') clearTimeout(tt);
	var e = window.event || arguments.callee.caller.arguments[0];
	var me = is_ie ? e.srcElement : e.target;
	var scrollTop = Math.max(document.documentElement.scrollTop, document.body.scrollTop);         
	var scrollLeft = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);

	var ei = $("big_image_div");
	if(ei){
		if(ei.offsetHeight > (e.clientY-10)){
			ei.style.top  = scrollTop + e.clientY + 10 + "px";
		}else{
			ei.style.top  = scrollTop + e.clientY - ei.offsetHeight - 10 + "px";
		}
		
		if(ei.offsetWidth > (e.clientX-10)){
			ei.style.left  = scrollLeft + e.clientX + 10 + "px";
		}else{
			ei.style.left = scrollLeft + e.clientX - ei.offsetWidth - 10 + "px";
		}
	}else{
		var xx = e.clientX;
		var yy = e.clientY;
		tt = setTimeout(function() {
			var ei = document.createElement("DIV");
			ei.id = "big_image_div";
			ei.style.cssText = "padding:6px;text-align:center;border:1px solid #B2B2B2;position:absolute;background:#FFF;z-index:80000;width:160px;height:160px;";
			ei = document.body.appendChild(ei);
			ei.innerHTML = "<img src=\"" + (src ? src : me.src) + "&size=8" + "\" border=0>";
			ei.style.display = "";

			if(ei.offsetHeight > (yy - 10)){
				ei.style.top  = scrollTop + yy + 10 + "px";
			}else{
				ei.style.top  = scrollTop + yy - ei.offsetHeight - 10 + "px";
			}
			if(ei.offsetWidth > (xx - 10)){
				ei.style.left  = scrollLeft + xx + 10 + "px";
			}else{
				ei.style.left = scrollLeft + xx - ei.offsetWidth - 10 + "px";
			}
		}, (delay || delay == 0)? delay : 800);
	}

	me.onmouseout = function() {
		if(typeof tt != 'undefined') clearTimeout(tt);
		var ei = $("big_image_div");
		if(ei)	document.body.removeChild(ei);
	}
}


function setCookie (cookieKey,cookieValue,days) {
	var date = new Date();
	if (days) {
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}else{
		var expires = "";
	}

	document.cookie = cookieKey+"="+cookieValue+expires+"; path=/";
}



function GetObj(objName){
	if(document.getElementById){
		return eval('document.getElementById("'+objName+'")');
	}else{
		return eval('document.all.'+objName);
	}
} 

function IPR_GoUp(){
	clearInterval(MoveTimeObj); 

	if(MoveLock) return;
	MoveLock = true; 

	MoveTimeObj = setInterval('IPR_ScrUp();',Speed); 
} 

function IPR_StopUp(){
	clearInterval(MoveTimeObj); 
	if(IPR_Cont.scrollLeft % PageWidth != 0){ 
		Comp = 0 - (IPR_Cont.scrollLeft % PageWidth); 
		CompScr(); 
	}else{ 
		MoveLock = false; 
	} 
} 

function IPR_ScrUp(){
	IPR_Cont.scrollLeft -= Space ; 

	if(IPR_Cont.scrollLeft > 0 ){
		IPR_RightButton.src = IPR_RightButton_URL;
	}

	if(PageWidth - IPR_Cont.scrollLeft > 0 ){
		IPR_LeftButton.src = IPR_NoButton_URL;
	}
} 

function IPR_GoDown(){
	clearInterval(MoveTimeObj); 

	if(MoveLock) return;
	MoveLock = true; 

	MoveTimeObj = setInterval('IPR_ScrDown()',Speed); 
} 

function IPR_StopDown(){
	clearInterval(MoveTimeObj); 
	if(IPR_Cont.scrollLeft % PageWidth != 0 ){ 
		Comp = PageWidth - IPR_Cont.scrollLeft % PageWidth; 
		CompScr(); 
	}else{ 
		MoveLock = false; 
	} 
} 


function IPR_ScrDown(){
	if(IPR_List.offsetWidth <= IPR_Cont.offsetWidth || IPR_List.offsetWidth <= IPR_Cont.offsetWidth + IPR_Cont.scrollLeft) {
		clearInterval(MoveTimeObj); 
	}else{
		IPR_Cont.scrollLeft += Space ; 
		IPR_LeftButton.src = IPR_LeftButton_URL;

		if(IPR_List.offsetWidth - PageWidth <= IPR_Cont.offsetWidth + IPR_Cont.scrollLeft){
			IPR_RightButton.src = IPR_NoButton_URL;
		}
	}
} 


function CompScr(){ 
	var num; 
	if(Comp == 0){MoveLock = false;return;} 
	if(Comp < 0){
		if(Comp < -Space){ 
			Comp += Space; 
			num = Space; 
		}else{ 
			num = -Comp; 
			Comp = 0; 
		} 
		IPR_Cont.scrollLeft -= num; 
		setTimeout('CompScr()',Speed); 
	}else{
		if(Comp > Space){ 
			Comp -= Space; 
			num = Space; 
		}else{ 
			num = Comp; 
			Comp = 0; 
		} 
		IPR_Cont.scrollLeft += num; 
		setTimeout('CompScr()',Speed); 
	} 
} 


function ShowThisImage(file, classname, classname_now, me){
	var ei = document.getElementById("InterPhoto_Big");
	if(ei){
		ei.src = "InterPhoto.image.php?file=" + file;
	}

	var imgObj;
	for( i = 0; i < document.getElementById("IPR_List").getElementsByTagName("img").length; i++ ) {
		imgObj = document.getElementById("IPR_List").getElementsByTagName("img")[i];
		if(imgObj.className == classname_now) imgObj.className = classname;
	}

	me.className = classname_now;

} 


function ChangeCaptcha(i){
	var a = Math.random(); 
	var url = i.src;

	i.src= url.split('&')[0] + '&' + a; 
}