///////////////////////////////////
// File Name: mBanner.js       //
// By: Manish Kumar Namdeo //
//////////////////////////////////


// BANNER OBJECT
function Banner(objName)
   {
	this.obj = objName;
	this.aNodes = [];
	this.currentBanner =Math.floor(Math.random()*2);
	};

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

// Node object
function Node(name, bannerType, bannerPath, bannerDuration, height, width, hyperlink) {
	this.name = name;
	this.bannerType = bannerType;
	this.bannerPath = bannerPath;
	this.bannerDuration = bannerDuration;
	this.height = height
	this.width = width;
	this.hyperlink= hyperlink;
//	alert (name +"|" + bannerType +"|" + bannerPath +"|" + bannerDuration +"|" + height +"|" + width + "|" + hyperlink);
};
// Outputs the banner to the page
Banner.prototype.toString = function() {
	var str = ""
	
	//alert(this.aNodes.length);
	for (var iCtr=0; iCtr < this.aNodes.length; iCtr++) //old: iCtr=0
	    { 
	    //alert(pos);
		str = str + '<span name="'+this.aNodes[iCtr].name+'" '
		str = str + 'id="'+this.aNodes[iCtr].name+'" ';
		str = str + 'class="m_banner_hide" ';
		str = str + 'bgcolor="#000000" ';	// CHANGE BANNER COLOR HERE
		str = str + 'align="center" ';
		str = str + 'valign="top" >\n';
		if (this.aNodes[iCtr].hyperlink != ""){
			str = str + '<a target="_blank" href="'+this.aNodes[iCtr].hyperlink+'" target="">';
		}
		
		if ( this.aNodes[iCtr].bannerType == "FLASH" ){
			
			str=str+ '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" '
			str=str+ 'codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" '
			str=str+ 'width="'+this.aNodes[iCtr].width+'" '
			str=str+ 'height="'+this.aNodes[iCtr].height+'" '
			str=str+ 'id="bnr_'+this.aNodes[iCtr].name+'" align="middle" VIEWASTEXT> '
			str=str+ '<param name="allowScriptAccess" value="always" />'
			str=str+ '<param name="movie" value="'+this.aNodes[iCtr].bannerPath+'" />'
			// not need    str=str+ 'param name="FlashVars" value="'+vars+'" />'
			
			str=str+ '<param name="menu" value="false" />'
			str=str+ '<param name="quality" value="high" />'
			str=str+ '<embed src="'+this.aNodes[iCtr].bannerPath+'" wmode="transparent" menu="false" quality="high" width="'+this.aNodes[iCtr].width+'" height="'+this.aNodes[iCtr].height+'" name="bnr_'+this.aNodes[iCtr].name+'" allowScriptAccess="always" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />'
			str=str+ '</embed></object>'
		
		}
               else if ( this.aNodes[iCtr].bannerType == "IMAGE" ){
			str = str + '<img src="'+this.aNodes[iCtr].bannerPath+'" ';
			str = str + 'border="0" ';
			str = str + 'height="'+this.aNodes[iCtr].height+'" ';
			str = str + 'width="'+this.aNodes[iCtr].width+'">';
		}

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

		str += '</span>';
	}
       document.write(str);
       str="";
       return str;
};

// START THE BANNER ROTATION
Banner.prototype.start = function(){
	this.changeBanner();
	var thisBannerObj = this.obj;
	// CURRENT BANNER IS ALREADY INCREMENTED IN changeBanner() FUNCTION
	setTimeout(thisBannerObj+".start()", this.aNodes[this.currentBanner].bannerDuration * 1000);

}

// CHANGE BANNER
Banner.prototype.changeBanner = function(){
	var oldBanner=this.currentBanner
	do{
		this.currentBanner=Math.round((this.aNodes.length-1)*Math.random())
	}while(this.currentBanner==oldBanner)
	if (document.getElementById(this.aNodes[oldBanner].name).className=='m_banner_show'){
		document.getElementById(this.aNodes[oldBanner].name).className = "m_banner_hide";
	}
	document.getElementById(this.aNodes[this.currentBanner].name).className = "m_banner_show";
}