// JavaScript Document

var opencheckc=0;
var ic=0,jc=0,kc=0;

function clickedc(name) {
	divIDc = "cou" + name;
	closeIDc = "cou" + opencheckc;
	if(kc==0){
		if(divIDc!=closeIDc){
			if(opencheckc==0){
				opendivc(divIDc);
				document.images[divIDc].src = "zimg/course/course" + name + "c.gif";
			}else{
				openclosec(divIDc,closeIDc);
				document.images[closeIDc].src = "zimg/course/course" + opencheckc + ".gif";
				document.images[divIDc].src = "zimg/course/course" + name + "c.gif";
			}
			opencheckc = name;
		}else{
			closedivc(closeIDc);
			document.images[closeIDc].src = "zimg/course/course" + opencheckc + ".gif";
			opencheckc = 0;
		}
	}
}

function opendivc(numo){
	if(ic<40){
		ic+=4;
		document.getElementById(numo).style.height = -Math.pow(ic-40,2)/8 + 232 + "px";
		setTimeout("opendivc('" + numo + "')",40);
	}
	else {
		ic=0;
	}
}

function closedivc(numc){
	if(jc<40){
		jc+=4;
		document.getElementById(numc).style.height = Math.pow(jc-40,2)/8 + 32 + "px";
		setTimeout("closedivc('" + numc + "')",40);
	}
	else {
		jc=0;
	}
}

function openclosec(numo,numc){
	if(kc<40){
		kc+=4;
		document.getElementById(numo).style.height = -Math.pow(kc-40,2)/8 + 232 + "px";
		document.getElementById(numc).style.height = Math.pow(kc-40,2)/8 + 32 + "px";
		setTimeout("openclosec('" + numo + "','" + numc + "')",40);
	}
	else {
		kc=0;
	}
}