function processForm() {		
	url = document.location.toString();
	url_split = url.split("?confer=");
	
	splitAtSlash = url_split[0].split("/");
	new_url = "";
	
	for(i=2;i<splitAtSlash.length;i++){
		if(!splitAtSlash[i].match(".html")){	
			new_url = new_url + "/" + splitAtSlash[i];	
		}
	}

	searchdate = document.getElementById("searchdate");
	date = searchdate.options[searchdate.selectedIndex].value;
	searchtopic = document.getElementById("searchtopic");
	topic = searchtopic.options[searchtopic.selectedIndex].value;

	new_url = "http:/" + new_url + "/" + topic + "?confer=" + date;
	
	window.location = new_url;
}	

window.onload = function(){
	
	url = document.location.toString();	
	dayoneContent = document.getElementById("dayone");
	daytwoContent = document.getElementById("daytwo");
	daythreeContent = document.getElementById("daythree");
	dayfourContent = document.getElementById("dayfour");

	if(url.match("confer=")){
		url_split = url.split("?confer=");
		
		
		splitAtSlash = url_split[0].split("/");
		for(i=0;i<splitAtSlash.length;i++){
			if(splitAtSlash[i].match(".html")){
				pageName = splitAtSlash[i];
			}
		}
		
		day = url_split[1];
		if(day){
			/* hiding all days, other than the one selected */
			
			if(day=="1"){
				daytwoContent.style.display = 'none';
				daythreeContent.style.display = 'none';
				dayfourContent.style.display = 'none';
			}
			if(day=="2"){
				dayoneContent.style.display = 'none';
				daythreeContent.style.display = 'none';
				dayfourContent.style.display = 'none';
			}
			if(day=="3"){
				dayoneContent.style.display = 'none';
				daytwoContent.style.display = 'none';
				dayfourContent.style.display = 'none';
			}
			if(day=="4"){
				dayoneContent.style.display = 'none';
				daytwoContent.style.display = 'none';
				daythreeContent.style.display = 'none';
			}
		}	
			
		/* resetting dropdown values */
		sdate = document.getElementById("searchdate");
		stopic = document.getElementById("searchtopic");
		for(i=0;i<sdate.options.length;i++){
			if(sdate.options[i].value == day){
				sdate.selectedIndex = i;
			}
		}
		for(i=0;i<stopic.options.length;i++){
			if(stopic.options[i].value == pageName){
				stopic.selectedIndex = i;
			}
		}
	}
}