// BANNER OBJECT
function Banner(objName){
	this.obj = objName;
	this.aNodes = [];
	this.currentBanner = 0;


};

// ADD NEW BANNER
Banner.prototype.add = function(bannerType, bannerPath, bannerDuration, height, width, alt, hyperlink,target) {
	this.aNodes[this.aNodes.length] = new Node(this.obj +"_"+ this.aNodes.length, bannerType, bannerPath, bannerDuration, height, width, alt, hyperlink,target);
};

// Node object
function Node(name, bannerType, bannerPath, bannerDuration, height, width, alt,hyperlink,target) {
	this.name = name;
	this.bannerType = bannerType;
	this.bannerPath = bannerPath;
	this.bannerDuration = bannerDuration;
	this.height = height
	this.width = width;
	this.hyperlink= hyperlink;
	this.alt= alt;
	this.target= target;

//	alert (name +"|" + bannerType +"|" + bannerPath +"|" + bannerDuration +"|" + height +"|" + width + "|" + hyperlink);
};

// Outputs the banner to the page
Banner.prototype.toString = function() {
	var str = ""
	for (var iCtr=0; iCtr < this.aNodes.length; iCtr++){
		//alert(this.aNodes[iCtr].name);
		str = str + '<div name="'+this.aNodes[iCtr].name+'" '
		str = str + 'id="'+this.aNodes[iCtr].name+'" ';
		str = str + 'class="m_banner_hide" ';
		str = str + 'bgcolor="#FFFCDA" ';	// CHANGE BANNER COLOR HERE
	        str = str + 'style="height:'+(this.aNodes[iCtr].height+15)+'px;" ';
		str = str + 'valign="top" >\n';
		if (this.aNodes[iCtr].hyperlink != ""){
			str = str + '<a href="'+this.aNodes[iCtr].hyperlink+'" target="'+this.aNodes[iCtr].target+'" title="'+this.aNodes[iCtr].alt+'">';
		}

		if ( this.aNodes[iCtr].bannerType == "FLASH" ){
			str = str + '<OBJECT '
			str = str + 'classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" '
			str = str + 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" '
			str = str + 'WIDTH="'+this.aNodes[iCtr].width+'" '
			str = str + 'HEIGHT="'+this.aNodes[iCtr].height+'" '
			str = str + 'id="bnr_'+this.aNodes[iCtr].name+'" '
			str = str + 'ALIGN="" '
			str = str + 'VIEWASTEXT>'
			str = str + '<PARAM NAME=movie VALUE="'+ this.aNodes[iCtr].bannerPath + '">'
			str = str + '<PARAM NAME=quality VALUE=high>'
			str = str + '<EMBED ';
			str = str + 'src="'+this.aNodes[iCtr].bannerPath+'" '
			str = str + 'quality=high '
//			str = str + 'bgcolor=#FFFCDA '
			str = str + 'WIDTH="'+this.aNodes[iCtr].width+'" '
			str = str + 'HEIGHT="'+this.aNodes[iCtr].height+'" '
			str = str + 'NAME="bnr_'+this.aNodes[iCtr].name+'" '
			str = str + 'ALIGN="center" '
			str = str + 'TYPE="application/x-shockwave-flash" '
			str = str + 'PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer">'
			str = str + '</EMBED>'
			str = str + '</OBJECT>'
		}else if ( this.aNodes[iCtr].bannerType == "IMAGE" ){
			str = str + '<img src="'+this.aNodes[iCtr].bannerPath+'" ';
			str = str + 'class="bannerimg_rot" ';
			str = str + 'width="'+this.aNodes[iCtr].width+'" ';
			str = str + 'height="'+this.aNodes[iCtr].height+'" ';
			str = str + 'alt="'+this.aNodes[iCtr].alt+'" />';
			//alert(str);

		}

		if (this.aNodes[iCtr].hyperlink != ""){
			str = str + '</a>';
		}

		str += '</div>';
	}
	return str;
};

// START THE BANNER ROTATION
Banner.prototype.start = function(){

	var thisBannerObj = this.obj;
	// CURRENT BANNER IS ALREADY INCREMENTED IN cahngeBanner() FUNCTION
	//alert('other ='+this.aNodes[this.currentBanner].bannerDuration);
	setTimeout(thisBannerObj+".start()", this.aNodes[this.currentBanner].bannerDuration * 1000);
	this.changeBanner();
}

// CHANGE BANNER
Banner.prototype.changeBanner = function(){

        if (this.currentBanner ==0 ){
		if (this.aNodes.length ==1){
			document.getElementById(this.aNodes[this.currentBanner].name).className = "m_banner_show";
			this.currentBanner = 0;
		}else{
			document.getElementById(this.aNodes[this.currentBanner].name).className = "m_banner_show";
			document.getElementById(this.aNodes[this.aNodes.length-1].name).className = "m_banner_hide";
			this.currentBanner = this.currentBanner +1;
		}
	}else if (this.currentBanner == (this.aNodes.length-1) ){
		document.getElementById(this.aNodes[this.currentBanner -1].name).className ="m_banner_hide";
		document.getElementById(this.aNodes[this.currentBanner].name).className = "m_banner_show";
		this.currentBanner = 0;
	}else{
		document.getElementById(this.aNodes[this.currentBanner -1].name).className ="m_banner_hide";
		document.getElementById(this.aNodes[this.currentBanner].name).className = "m_banner_show";
		this.currentBanner = this.currentBanner +1;

	}

}