// JavaScript Document

	function getParams(name)
	{
	  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
	  var regexS = "[\\?&]"+name+"=([^&#]*)";
	  var regex = new RegExp( regexS );
	  var results = regex.exec( window.location.href );
	  
	  if(results == null )
		return "";
	  else
		return results[1];
		
	};
	
	function getPlayer(param){
			
			py = '&player='+ getParams(param);
			
			return py;
				
	};
	
	function buildString(param){
		
		//***
		defaultGroup = 'default';
		defaultHeight = '650';
		
		//***
		videoParam = 'vid';
		captionParam = 'cts';
		heightParam = 'player';
		
	
		videoPath = "video/";
		captionPath = "caption/";
	
		addParam = '';
		//**************************
		
		switch(param){
			case videoParam :
				
				addParam = getParams(param);
				
				if(addParam != ''){
					vd = videoPath + addParam + '_video.xml';
				}else{
					vd = videoPath + defaultGroup + '_video.xml';
				}
				
				return vd;
			
			break;
			case captionParam :
			
				ct = getParams(captionParam);
			
				if(ct == 'true'){
					addParam = '&'+ captionParam +'='+ captionPath + getParams(videoParam) + '_caption.xml';
				}else {
					addParam ='';
				}
	
				return addParam;

			break;
			case heightParam :
			
				hgt = getParams(heightParam);
				
				if(hgt == ''){

					newSize =  defaultHeight;
				
				}else if(hgt == 'sp'){ 
				
					newSize = '530';
				
				}
			
				return newSize;
			
			break;
		};
		
		
		
		//**** return variable
		
		
		
	}