// JavaScript Document

var selected = "2-month";
	
	function initlinks(){
		var p = document.getElementById("plot4");
		var p_children = p.childNodes;
		p.style.backgroundColor='#D8DFF0';
	} 
	
	function switchPlot(link,pic) {
		goto = "graphs/snow_depth_" + pic + ".png";
		document.myplot.src = goto;
		
		document.getElementById("plot1").style.backgroundColor='white';
		document.getElementById("plot2").style.backgroundColor='white';
		document.getElementById("plot3").style.backgroundColor='white';
		document.getElementById("plot4").style.backgroundColor='white';
		document.getElementById("plot5").style.backgroundColor='white';
		document.getElementById("plot6").style.backgroundColor='white';
		
		link.style.backgroundColor='#D8DFF0';
		selected = link.firstChild.nodeValue;
	}
	
	function css(link,mode) {
	
		
		if(mode=='a') { link.style.backgroundColor='#D8DFF0';	}
		if(mode=='b') { 
			if(link.firstChild.nodeValue!=selected) { link.style.backgroundColor='white'; }	
		}		
	}