function navswap(n) {

	if (document.images)
		{
		document.images['nav' + n].src = eval("navon" + n + ".src");
		}
	}

function navswapout(n) {

	if (document.images)
		{
		document.images['nav' + n].src = eval("nav" + n + ".src");
		}
	}
	




if (document.images) {

	nav1 = new Image(52,26);
	nav1.src = "pics/nav1.jpg";
	navon1 = new Image(52,26);
	navon1.src = "pics/navon1.jpg";
	
	nav2 = new Image(70,26);
	nav2.src = "pics/nav2.jpg";
	navon2 = new Image(70,26);
	navon2.src = "pics/navon2.jpg";
	
	nav3 = new Image(100,26);
	nav3.src = "pics/nav3.jpg";
	navon3 = new Image(100,26);
	navon3.src = "pics/navon3.jpg";
	
	nav4 = new Image(88,26);
	nav4.src = "pics/nav4.jpg";
	navon4 = new Image(88,26);
	navon4.src = "pics/navon4.jpg";
	
	nav5 = new Image(48,26);
	nav5.src = "pics/nav5.jpg";
	navon5 = new Image(48,26);
	navon5.src = "pics/navon5.jpg";

}


function imgOn(imgName,source) {
  if (document.images) {
	document[imgName].src = eval(source+ "on.src");
  }
}

function imgOff(imgName,source) {
  if (document.images) {
	document[imgName].src = eval(source+ "off.src");
  }
}

function check_value(field, defaultValue) {
	if(field.value == defaultValue) {
		field.value = '';
	}
}


			   
if (document.images) {
	img1on = new Image(76,52);
	img1on.src = "pics/viewon.jpg";
	img2on = new Image(76,52);
	img2on.src = "pics/checkon.jpg";
	  
	img1off = new Image(76,52);
	img1off.src = "pics/view_check.jpg";
	img2off = new Image(76,52);
	img2off.src = "pics/view_check.jpg";
		
}



function open_window1(url, width, height) {
	mywin1 = window.open(url,"win1",'alwaysRaised=1,toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,width=' + width + ',height=' + height);
	mywin1.resizeTo(width, height);
	mywin1.focus();
}

function in_array(needle, haystack) {
	for(var j = 0; j < haystack.length; j++) {
		if(needle == haystack[j]) {
			return true;
		}
	}
	return false;
}

function check_required_new(form, fields) {
	//alert(fields.length);
	
	for(var i = 0; i < form.elements.length; i++) {
		if(in_array(form.elements[i].name, fields)) {
			//alert(form.elements[i].type);
			if(form.elements[i].type == "text" || form.elements[i].type == "password") {
				if(form.elements[i].value == "") {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			} else if(form.elements[i].type == "select-one") {
				//alert(fields[i].name + " is a pull-down");
				if(form.elements[i].selectedIndex == 0) {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			} else if(form.elements[i].type == 'radio') {
				var radio = form.elements[i].name;
				//alert(form[radio].length);
				for(var j = 0; j < form[radio].length; j++) {
					if(form[radio][j].checked == true) {
						var checked = true;
					}
				}
				
				if(checked != true) {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			} else if(form.elements[i].type == 'textarea') {
				if(form.elements[i].value == "") {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			} else if(form.elements[i].type == 'checkbox') {	
				//alert(form.elements[i].name + " is a required field");			
				if(form.elements[i].checked != true) {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			}
		}
	}
	return true;
}