function printit(){
if (!window.print){
alert("You need NS4.x or IE5 to use this print button!")
return
}
window.print()
}

function formCheck(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("ewe", "xylog", "tel");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("Your Name", "Your E-mail Address", "Your Mobile Telephone Number");
	// dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}


var documenttextsizer={

prevcontrol: '', //remember last control clicked on/ selected
existingclasses: '',

setpageclass:function(control, newclass){
	if (this.prevcontrol!='')
			this.css(this.prevcontrol, 'selectedtoggler', 'remove') //de-select previous control, by removing 'selectedtoggler' from it
	document.documentElement.className=this.existingclasses+' '+newclass //apply new class to document
	this.css(control, 'selectedtoggler', 'add') //select current control
	this.setCookie('pagesetting', newclass, 5) //remember new class added to document for 5 days
	this.prevcontrol=control
},

css:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add")
		el.className+=" "+targetclass
},

getCookie:function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return null
},

setCookie:function(name, value, days){
	if (typeof days!="undefined"){ //if set persistent cookie
		var expireDate = new Date()
		var expstring=expireDate.setDate(expireDate.getDate()+days)
		document.cookie = name+"="+value+"; path=/; expires="+expireDate.toGMTString()
	}
	else //else if this is a session only cookie
		document.cookie = name+"="+value
},

setup:function(targetclass){
	this.existingclasses=document.documentElement.className //store existing CSS classes on HTML element, if any
	var persistedsetting=this.getCookie('pagesetting')
	var alllinks=document.getElementsByTagName("a")
	for (var i=0; i<alllinks.length; i++){
		if (this.css(alllinks[i], targetclass, "check")){
			if (alllinks[i].getAttribute("rel")==persistedsetting) //if this control's rel attribute matches persisted doc CSS class name
				this.setpageclass(alllinks[i], alllinks[i].getAttribute("rel")) //apply persisted class to document
			alllinks[i].onclick=function(){
				documenttextsizer.setpageclass(this, this.getAttribute("rel"))
				return false
			}
		}
	}
}

}