var intWidthStep = 1;
var intTimeStep = 20;
var curSObj = null;
var agt = navigator.userAgent.toLowerCase();
window.IsIE = agt.indexOf("msie") != -1;
window.IsOpera = agt.indexOf("opera") != -1;
window.IsFirefox = agt.indexOf("firefox") != -1;
window.IsSafari = agt.indexOf("safari") != -1;

function resetHeight(Enabled, Default_Height, objId, objId_Target, objId_Compare, is_Need_Space, Space) {
	if(Enabled) {
		if(objId != null && objId_Target != null && objId_Compare != null) {
			var curSObj = null;
			var curSObj_Target = null;
			var curSObj_Compare = null;
			curSObj = document.getElementById(objId);
			curSObj_Target = document.getElementById(objId_Target);
			curSObj_Compare = document.getElementById(objId_Compare);
			if(curSObj_Compare.scrollHeight + curSObj_Compare.offsetTop > curSObj_Target.scrollHeight) {
				curSObj.style.height = curSObj_Compare.scrollHeight + curSObj_Compare.offsetTop + Space + "px";
			} else {
				if(is_Need_Space) {
					curSObj.style.height = curSObj_Target.scrollHeight + Space + "px";
				} else {
					curSObj.style.height = curSObj_Target.scrollHeight + "px";
				}
			}
		}
	} else {
		if(objId != null) {
			var curSObj = null;
			curSObj = document.getElementById(objId);
			curSObj.style.height = Default_Height + "px";
		}
	}
}

function resetTop(objId, objId_Target) {
	if(objId != null && objId_Target != null) {
		var curSObj = null;
		var curSObj_Target = null;
		curSObj = document.getElementById(objId);
		curSObj_Target = document.getElementById(objId_Target);
		curSObj.style.top = curSObj_Target.scrollHeight + 20 + "px";
	}
}

function getExplorerVersion() {
	var ieVers = parseFloat(navigator.appVersion);
	if( navigator.appName != 'Microsoft Internet Explorer' ) return ieVers;
	var tempVers = navigator.appVersion;
	var i = tempVers.indexOf( 'MSIE ' );
	if( i >= 0 ) {
		tempVers = tempVers.substring( i+5 );
		ieVers = parseFloat( tempVers ); 
	}
	return ieVers;
}

function correct_ALL_BG_PNG() {
	if(getExplorerVersion() < 7 && getExplorerVersion()>=5.5 && window.IsIE) {
		for (i=0; i<document.all.length; i++) {
     		var bg = document.all[i].currentStyle.backgroundImage;
      		if (bg) {
        		if (bg.match(/.png/i) != null) {
        			var mypng = bg.substring(5,bg.length-2);
        			document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + mypng + "', sizingMethod='scale')";
        			document.all[i].style.backgroundImage = "url('')";
        	 	}
     		}
   		}
	}
}

function correct_ALL_IMG_PNG() {
	if(getExplorerVersion() < 7 && getExplorerVersion()>=5.5 && window.IsIE) {
		for(var i=0; i<document.images.length; i++) {
			var img = document.images[i]
			var imgName = img.src.toUpperCase()
			if (imgName.substring(imgName.length-3, imgName.length) == "PNG") {
				var imgID = (img.id) ? "id='" + img.id + "' " : ""
				var imgClass = (img.className) ? "class='" + img.className + "' " : ""
				var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
				var imgStyle = "display:inline-block;" + img.style.cssText
				if (img.align == "left") imgStyle = "float:left;" + imgStyle
				if (img.align == "right") imgStyle = "float:right;" + imgStyle
				if (img.parentElement.href) imgStyle = "cursor:pointer;" + imgStyle
				var strNewHTML = "<span " + imgID + imgClass + imgTitle
				+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
				+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
				+ "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
				img.outerHTML = strNewHTML
				i = i-1
			}
		}
	}
}