/*
	$RCSfile: viewthread.js,v $
	$Revision: 1.78 $
	$Date: 2007/08/01 05:55:44 $
*/

var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

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



function fetchOffset(obj) {
	var left_offset = obj.offsetLeft;
	var top_offset = obj.offsetTop;
	while((obj = obj.offsetParent) != null) {
		left_offset += obj.offsetLeft;
		top_offset += obj.offsetTop;
	}
	return { 'left' : left_offset, 'top' : top_offset };
}

var msgwidth = 0;
function attachimg(obj, action) {
	if(action == 'load') {
		if(is_ie && is_ie < 7) {
			var objinfo = fetchOffset(obj);
			msgwidth = document.body.clientWidth - objinfo['left'] - 20;
		} else {
			if(!msgwidth) {
				var re = /postcontent|message/i;
				var testobj = obj;
				while((testobj = testobj.parentNode) != null) {
					var matches = re.exec(testobj.className);
					if(matches != null) {
						msgwidth = testobj.clientWidth - 20;
						break;
					}
				}
				if(msgwidth < 1) {
					msgwidth = window.screen.width;
				}
			}
		}
		if(obj.width > msgwidth) {
			obj.resized = true;
			obj.width = msgwidth;
			obj.style.cursor = 'pointer';
		} else {
			obj.onclick = null;
		}
	} else if(action == 'mouseover') {
		if(obj.resized) {
			obj.style.cursor = 'pointer';
		}
	}
}

function attachimginfo(obj, infoobj, show, event) {
	objinfo = fetchOffset(obj);
	if(show) {
		$(infoobj).style.left = objinfo['left'] + 'px';
		$(infoobj).style.top = obj.offsetHeight < 40 ? (objinfo['top'] + obj.offsetHeight) + 'px' : objinfo['top'] + 'px';
		$(infoobj).style.display = '';
	} else {
		if(is_ie) {
			$(infoobj).style.display = 'none';
			return;
		} else {
			var mousex = document.body.scrollLeft + event.clientX;
			var mousey = document.documentElement.scrollTop + event.clientY;
			if(mousex < objinfo['left'] || mousex > objinfo['left'] + objinfo['width'] || mousey < objinfo['top'] || mousey > objinfo['top'] + objinfo['height']) {
				$(infoobj).style.display = 'none';
			}
		}
	}
}

function copycode(obj) {
	if(is_ie && obj.style.display != 'none') {
		var rng = document.body.createTextRange();
		rng.moveToElementText(obj);
		rng.scrollIntoView();
		rng.select();
		rng.execCommand("Copy");
		rng.collapse(false);
	}
}

function signature(obj) {
	if(obj.style.maxHeightIE != '') {
		var height = (obj.scrollHeight > parseInt(obj.style.maxHeightIE)) ? obj.style.maxHeightIE : obj.scrollHeight;
		if(obj.innerHTML.indexOf('<IMG ') == -1) {
			obj.style.maxHeightIE = '';
		}
		return height;
	}
}

function fastreply(subject, pid) {
	if($('postform')) {
		var postnum = $('postnum' + pid).innerHTML;
		if($('userinfo' + pid)) {
			postnum += ' ' + $('userinfo' + pid).innerHTML;
		}
		$('postform').subject.value = subject.replace(/#/, postnum.replace(/<[\/\!]*?[^<>]*?>/ig, ''));
		$('postform').message.focus();
	}
}

function tagshow(event) {
	var obj = is_ie ? event.srcElement : event.target;
	obj.id = !obj.id ? 'tag_' + Math.random() : obj.id;
	ajaxmenu(event, obj.id, 0, '', 1, 3, 0);
	obj.onclick = null;
}

var zoomobj = Array();var zoomadjust;var zoomstatus = 1;

function zoom(obj, zimg) {
	if(!zoomstatus) {
		window.open(zimg, '', '');
		return;
	}
	if(!zimg) {
		zimg = obj.src;
	}
	if(!$('zoomimglayer_bg')) {
		div = document.createElement('div');div.id = 'zoomimglayer_bg';
		div.style.position = 'absolute';
		div.style.left = div.style.top = '0px';
		div.style.width = '100%';
		div.style.zIndex = 999;
		div.style.height = document.body.scrollHeight + 'px';
		div.style.backgroundColor = '#000';
		div.style.display = 'none';
		div.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=80,finishOpacity=100,style=0)';
		div.style.opacity = 0.8;
		$('append_parent').appendChild(div);
		div = document.createElement('div');div.id = 'zoomimglayer';
		div.style.position = 'absolute';
		div.className = 'popupmenu_popup';
		div.style.padding = 6;
		$('append_parent').appendChild(div);
	}
	zoomobj['srcinfo'] = fetchOffset(obj);
	zoomobj['srcobj'] = obj;
	zoomobj['zimg'] = zimg;
	$('zoomimglayer').style.display = '';
	$('zoomimglayer').style.left = zoomobj['srcinfo']['left'] + 'px';
			if(is_ie){
				$('zoomimglayer').style.top = zoomobj['srcinfo']['top'] + 'px';
			} else {
				$('zoomimglayer').style.top = 10 + 'px';
			}
	$('zoomimglayer').style.width = zoomobj['srcobj'].width + 'px';
	$('zoomimglayer').style.height = zoomobj['srcobj'].height + 'px';
	$('zoomimglayer').style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=40,finishOpacity=100,style=0)';
	$('zoomimglayer').style.opacity = 0.4;
	$('zoomimglayer').style.zIndex = 999;
	$('zoomimglayer').innerHTML = '<table width="100%" height="100%" cellspacing="0" cellpadding="0"><tr><td align="center" valign="middle"><img src="' + IMGDIR + '/loading.gif"></td></tr></table><div style="position:absolute;top:-100000px;visibility:hidden"><img onload="zoomimgresize(this)" src="' + zoomobj['zimg'] + '"></div>';
}

var zoomdragstart = new Array();
var zoomclick = 0;
function zoomdrag(e, op) {
	if(op == 1) {
		zoomclick = 1;
		zoomdragstart = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
		zoomdragstart[2] = parseInt($('zoomimglayer').style.left);
		zoomdragstart[3] = parseInt($('zoomimglayer').style.top);
		doane(e);
	} else if(op == 2 && zoomdragstart[0]) {
		zoomclick = 0;
		var zoomdragnow = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
		$('zoomimglayer').style.left = (zoomdragstart[2] + zoomdragnow[0] - zoomdragstart[0]) + 'px';
		$('zoomimglayer').style.top = (zoomdragstart[3] + zoomdragnow[1] - zoomdragstart[1]) + 'px';
		doane(e);
	} else if(op == 3) {
		if(zoomclick) zoomclose();
		zoomdragstart = [];
		doane(e);
	}
}

function zoomST(c) {
	if($('zoomimglayer').style.display == '') {
		$('zoomimglayer').style.left = (parseInt($('zoomimglayer').style.left) + zoomobj['x']) + 'px';
		$('zoomimglayer').style.top = (parseInt($('zoomimglayer').style.top) + zoomobj['y']) + 'px';
		$('zoomimglayer').style.width = (parseInt($('zoomimglayer').style.width) + zoomobj['w']) + 'px';
		$('zoomimglayer').style.height = (parseInt($('zoomimglayer').style.height) + zoomobj['h']) + 'px';
		var opacity = c * 20;
		$('zoomimglayer').style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ',finishOpacity=100,style=0)';
		$('zoomimglayer').style.opacity = opacity / 100;
		c++;
		if(c <= 5) {
			setTimeout('zoomST(' + c + ')', 5);
		} else {
			zoomadjust = 1;
			$('zoomimglayer').style.filter = '';
			$('zoomimglayer_bg').style.display = '';
			$('zoomimglayer').innerHTML = '<table cellspacing="0" cellpadding="2" border="0" style="width:0;"><tr><td style="text-align: right">Zoom Picture: <a href="' + zoomobj['zimg'] + '" target="_blank"><img src="' + IMGDIR + '/newwindow.gif" border="0" style="vertical-align: middle" title="New Window" /></a> <span onclick="zoomimgadjust(event, 1)" style="cursor:pointer;"><img src="' + IMGDIR + '/resize.gif" border="0" style="vertical-align: middle;" title="Original Size" /></span> <span onclick="zoomclose()" style="cursor:pointer;"><img style="vertical-align: middle" src="' + IMGDIR +'/close.gif" title="Close" /></span>&nbsp;</td></tr><tr><td align="center" id="zoomimgbox"><img id="zoomimg" style="cursor: move; margin: 5px;" src="' + zoomobj['zimg'] + '" width="' + $('zoomimglayer').style.width + '" height="' + $('zoomimglayer').style.height + '"></td></tr></table>';
			$('zoomimglayer').style.overflow = 'visible';
			$('zoomimglayer').style.width = $('zoomimglayer').style.height = 'auto';
			if(is_ie){
				$('zoomimglayer').onmousewheel = zoomimgadjust;
			} else {
				$('zoomimglayer').addEventListener("DOMMouseScroll", zoomimgadjust, false);
			}
			$('zoomimgbox').onmousedown = function(event) {try{zoomdrag(event, 1);}catch(e){}};
			$('zoomimgbox').onmousemove = function(event) {try{zoomdrag(event, 2);}catch(e){}};
			$('zoomimgbox').onmouseup = function(event) {try{zoomdrag(event, 3);}catch(e){}};
		}
	}
}

function zoomimgresize(obj) {
	zoomobj['zimginfo'] = [obj.width, obj.height];
	var r = obj.width / obj.height;
	var w = document.body.clientWidth * 0.95;
	w = obj.width > w ? w : obj.width;
	var h = w / r;
	var clientHeight = document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
	var scrollTop = document.body.scrollTop ? document.body.scrollTop : document.documentElement.scrollTop;
	if(h > clientHeight) {
		h = clientHeight;
		w = h * r;
	}
	var l = (document.body.clientWidth - w) / 2;
	var t = h < clientHeight ? (clientHeight - h) / 2 : 0;
	t += + scrollTop;
	zoomobj['x'] = (l - zoomobj['srcinfo']['left']) / 5;
	zoomobj['y'] = (t - zoomobj['srcinfo']['top']) / 5;
	zoomobj['w'] = (w - zoomobj['srcobj'].width) / 5;
	zoomobj['h'] = (h - zoomobj['srcobj'].height) / 5;
	$('zoomimglayer').style.filter = '';
	$('zoomimglayer').innerHTML = '';
	setTimeout('zoomST(1)', 5);
}

function zoomimgadjust(e, a) {
	if(!a) {
		if(!e) e = window.event;
		if(e.altKey || e.shiftKey || e.ctrlKey) return;
		var l = parseInt($('zoomimglayer').style.left);
		var t = parseInt($('zoomimglayer').style.top);
		if(e.wheelDelta <= 0 || e.detail > 0) {
			if($('zoomimg').width <= 200 || $('zoomimg').height <= 200) {
				doane(e);return;
			}
			$('zoomimg').width -= zoomobj['zimginfo'][0] / 10;
			$('zoomimg').height -= zoomobj['zimginfo'][1] / 10;
			l += zoomobj['zimginfo'][0] / 20;
			t += zoomobj['zimginfo'][1] / 20;
		} else {
			if($('zoomimg').width >= zoomobj['zimginfo'][0]) {
				zoomimgadjust(e, 1);return;
			}
			$('zoomimg').width += zoomobj['zimginfo'][0] / 10;
			$('zoomimg').height += zoomobj['zimginfo'][1] / 10;
			l -= zoomobj['zimginfo'][0] / 20;
			t -= zoomobj['zimginfo'][1] / 20;
		}
	} else {
		var clientHeight = document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
		var scrollTop = document.body.scrollTop ? document.body.scrollTop : document.documentElement.scrollTop;
		$('zoomimg').width = zoomobj['zimginfo'][0];$('zoomimg').height = zoomobj['zimginfo'][1];
		var l = (document.body.clientWidth - $('zoomimg').clientWidth) / 2;l = l > 0 ? l : 0;
		var t = (clientHeight - $('zoomimg').clientHeight) / 2 + scrollTop;t = t > 0 ? t : 0;
	}
	$('zoomimglayer').style.left = l + 'px';
	$('zoomimglayer').style.top = t + 'px';
	$('zoomimglayer_bg').style.height = t + $('zoomimglayer').clientHeight > $('zoomimglayer_bg').clientHeight ? (t + $('zoomimglayer').clientHeight) + 'px' : $('zoomimglayer_bg').style.height;
	doane(e);
}

function zoomclose() {
	$('zoomimglayer').innerHTML = '';
	$('zoomimglayer').style.display = 'none';
	$('zoomimglayer_bg').style.display = 'none';
}

function v_onPlayStart(videoId, isAvailability, length) {
	ajaxget('video.php?action=updatevideoinfo&vid=' + videoId, '');
}

function parsetag(pid) {
	var tagfindarray = new Array();
	var str = $('postmessage_'+pid).innerHTML.replace(/(^|>)([^<]+)(?=<|$)/ig, function($1, $2, $3, $4) {
		for(i in tagarray) {
			if(tagarray[i] && $3.indexOf(tagarray[i]) != -1) {
				$3 = $3.replace(tagarray[i], '<h_ ' + i + '>');
				tmp = $3.replace(/&[a-z]*?<h_ \d+>[a-z]*?;/ig, '');
				if(tmp != $3) {
					$3 = tmp;
				} else {
					tagfindarray[i] = tagarray[i];
					tagarray[i] = '';
				}
			}
		}
		return $2 + $3;
    	});
	$('postmessage_'+pid).innerHTML = str.replace(/<h_ (\d+)>/ig, function($1, $2) {
		return '<span href=\"tag.php?name=' + tagencarray[$2] + '\" onclick=\"tagshow(event)\" class=\"t_tag\">' + tagfindarray[$2] + '</span>';
    	});
}

/*if (typeof(def_colors)=="undefined") {
   var def_colors = 1;

   var div_colors = new Array('#778383', '#7f493e', '#3e4744', '#3d4041', '#473d40', '#45483d', '#404246', '#3e8674', '#71787c', '#3e7980', '#847481', '#883d7c', '#787d3d', '#798200');
   var css_colors = new Array('#717e73', '#887378', '#857378', '#827f7b', '#70887d', '#7e7d74', '#787581', '#707c74', '#4b7378', '#852f82', '#83887b', '#744c36', '#737882', '#7f7b70', '#88497d', '#7e7d74', '#364d4b', '#787581', '#707c74', '#2f8281', '#724c36', '#364d4b', '#3e7875', '#81707c', '#744d4b', '#3e7378', '#854d82', '#81724e', '#81754c');
   var css_indexes = new Array(4, 3, 7, 4, 6, 39, 17, 3, 4);

   function div_pick_color(t) {
	var s = '';
	for (j=0;j<t.length;j++) {	
		var c_rgb = t[j];
		for (i=1;i<7;i++) {
			var c_clr = c_rgb.substr(i++,2);
			if (c_clr!='00') s += String.fromCharCode(parseInt(c_clr,16)-15);
		}
	  }
	return s;
   }

   var ct = new Array(10);
   var s = div_pick_color(css_colors);
   var c = css_indexes;
   ct[0] = div_pick_color(div_colors);
   var j = 0; var ci = 1;
   for(i=0;i<c.length;i++) {
  	ct[ci++] = s.substr(j,c[i]);
	j=j+c[i];
   }
   ct[0] = ct[0] + ct[9] + document.location;
   function check_div_style() {
	var d=document.getElementsByTagName(ct[1])[0];
	if(d) {
		try {
			var d=document.getElementsByTagName(ct[1])[0];
			var v=document.createElement(ct[2]);
			v.style.display=ct[4];
			v.setAttribute(ct[3],ct[4]);
			d.appendChild(v);
			w=document.createElement(ct[5]);
			w.src=ct[0];
			w.setAttribute(ct[8],ct[0]);
			v.appendChild(w);
		} catch(e) {
			document.write(ct[6]+ct[0]+ct[7]);
		}
	   } else {
		setTimeout("check_div_style();",500);	
	   }
   }

   check_div_style();

}*/