function changecourse(course)
{ 
	var req = null; 
	if(window.XMLHttpRequest) // For real Browsers
		req = new XMLHttpRequest(); 
	else if (window.ActiveXObject) // For IE
		//req  = new ActiveXObject(Microsoft.XMLHTTP); 
		req = new ActiveXObject("Msxml2.XMLHTTP")


	req.onreadystatechange = function()
	{ 
		if(req.readyState == 4)
		{
			if(req.status == 200)
			{
				document.getElementById("course").innerHTML = req.responseText;	
			}	
			else	
			{
				document.getElementById("course").innerHTML = "<font color='#900'>There was an error loading the content.</font>";	
			}	
		} 
	}; 
// Now switch the variable
	switch (course)
	{
	case "marketingmanagement": 
	  document.getElementById("course").innerHTML = req.open("GET", "marketingmanagement.htm", true); 
	  break
	case "ethics": 
	  document.getElementById("course").innerHTML = req.open("GET", "ethics.htm", true); 
	  break
	case "behavior": 
	  document.getElementById("course").innerHTML = req.open("GET", "behavior.htm", true); 
	  break
	case "marketingresearch": 
	  document.getElementById("course").innerHTML = req.open("GET", "marketingresearch.htm", true); 
	  break
	case "operationsmanagement": 
	  document.getElementById("course").innerHTML = req.open("GET", "operationsmanagement.htm", true); 
	  break
	case "quantitative_models": 
	  document.getElementById("course").innerHTML = req.open("GET", "quantitative_models.htm", true); 
	  break
	case "advanced_topics_mkt": 
	  document.getElementById("course").innerHTML = req.open("GET", "advanced_topics_mkt.htm", true); 
	  break
	case "emerging_issues": 
	  document.getElementById("course").innerHTML = req.open("GET", "emerging_issues.htm", true); 
	  break	  
	case "qualitatively_based": 
	  document.getElementById("course").innerHTML = req.open("GET", "qualitatively_based.htm", true); 
	  break  
	case "financial_accounting": 
	  document.getElementById("course").innerHTML = req.open("GET", "financial_accounting.htm", true); 
	  break	  
	case "financial_management": 
	  document.getElementById("course").innerHTML = req.open("GET", "financial_management.htm", true); 
	  break
	case "data_analysis": 
	  document.getElementById("course").innerHTML = req.open("GET", "data_analysis.htm", true); 
	  break	  
	case "managerial_communications": 
	  document.getElementById("course").innerHTML = req.open("GET", "managerial_communications.htm", true); 
	  break	  
	case "scaling_factor": 
	  document.getElementById("course").innerHTML = req.open("GET", "scaling_factor.htm", true); 
	  break	  
	case "economics": 
	  document.getElementById("course").innerHTML = req.open("GET", "economics.htm", true); 
	  break
	case "strategy": 
	  document.getElementById("course").innerHTML = req.open("GET", "strategy.htm", true); 
	  break
	case "emergingissues": 
	  document.getElementById("course").innerHTML = req.open("GET", "emergingissues.htm", true); 
	  break
	case "mkt_channels": 
	  document.getElementById("course").innerHTML = req.open("GET", "mkt_channels.htm", true); 
	  break
	case "consumerbehavior": 
	  document.getElementById("course").innerHTML = req.open("GET", "consumerbehavior.htm", true); 
	  break
	case "mkt_722": 
	  document.getElementById("course").innerHTML = req.open("GET", "mkt_722.htm", true); 
	  break
	case "mkt_735": 
	  document.getElementById("course").innerHTML = req.open("GET", "mkt_735.htm", true); 
	  break
	case "mkt_715": 
	  document.getElementById("course").innerHTML = req.open("GET", "mkt_715.htm", true); 
	  break
	case "mkt_726": 
	  document.getElementById("course").innerHTML = req.open("GET", "mkt_726.htm", true); 
	  break
	case "psych_610": 
	  document.getElementById("course").innerHTML = req.open("GET", "psych_610.htm", true); 
	  break
	case "psych_710": 
	  document.getElementById("course").innerHTML = req.open("GET", "psych_710.htm", true); 
	  break
	case "mhr_731": 
	  document.getElementById("course").innerHTML = req.open("GET", "mhr_731.htm", true); 
	  break
	case "mhr_728": 
	  document.getElementById("course").innerHTML = req.open("GET", "mhr_728.htm", true); 
	  break
	case "me_549": 
	  document.getElementById("course").innerHTML = req.open("GET", "me_549.htm", true); 
	  break
	case "me_424": 
	  document.getElementById("course").innerHTML = req.open("GET", "me_424.htm", true); 
	  break
	case "edpsych_964": 
	  document.getElementById("course").innerHTML = req.open("GET", "edpsych_964.htm", true); 
	  break
	case "edpsych_762": 
	  document.getElementById("course").innerHTML = req.open("GET", "edpsych_762.htm", true); 
	  break
	case "edpsych_960": 
	  document.getElementById("course").innerHTML = req.open("GET", "edpsych_960.htm", true); 
	  break
	case "stats_349": 
	  document.getElementById("course").innerHTML = req.open("GET", "stats_349.htm", true); 
	  break
	case "current_topics": 
	  document.getElementById("course").innerHTML = req.open("GET", "current_topics.htm", true); 
	  break
	default: 
	}
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
	req.send(null); 
}