function CheckBrowser() {
	
	if (document.getElementById) {
		browser = 'dom';
	} else if (document.layers) {
		browser = 'nn4';
	} else if (document.all) {
		browser = 'ie4';
	} 
	return browser;
}

var nav = CheckBrowser();

// -----------------------------------------------------------------
function quickSearch() {
 // just add the location, and put in some validation if required
 alert("this will perform the quick search");
 // document.quickSearch.submit();
}


// ----------------------------------------------------------------
function rollOver(imgName,state) {

	switch(state) {
	
		case "over":
			if(document.images) {
			// get the image type
				suffixType = imgName.src.substring(imgName.src.lastIndexOf("."),imgName.src.length);
				// swap to new image
				if (imgName.src.indexOf("_over") == -1) {
					imgName.src = imgName.src.substring(0,(imgName.src.indexOf(suffixType))) + "_over" + suffixType;
				}
			}
		break;
		
		case "out":
			if(document.images) {
				// get the image type
				suffixType = imgName.src.substring(imgName.src.lastIndexOf("."),imgName.src.length);
				
				// swap image back to original
				if (imgName.src.indexOf("_over") != -1) {
					imgName.src = imgName.src.substring(0,(imgName.src.indexOf("_over"))) + suffixType;
				}
			}		
		break;	
	} 

}

// ------------------------------------------------------------------------
// function to suppress javascript errors, (Nobody's perfect ;) )
function noErrorMessages () { return true; }
window.onerror = noErrorMessages;


function phoneFilter(form, format) {

	var input = form.value;

	if(input.length > 0) { //do not perform if empty input

		var numbers = ""; //store all the numbers here

		//process to remove non-numbers and spaces
		for(var i = 0; i < input.length; i++) {
			var charrs = input.charAt(i);
			if(!(isNaN(charrs) || charrs == " ")) numbers += charrs;
		}

		//remove country code, if any
		if(numbers.substring(0, 2) == "47") numbers = numbers.substring(2, numbers.length);

		var output = ""; //assign numbers here

		//assign numbers to chosen format
		var n = 0, i = 0;
		while(i < format.length && n < numbers.length) {
			var chars = format.charAt(i);
			if(chars == "#") {
				output += numbers.charAt(n++)
			} else {
				output += chars;
			}
			i++;
		}

		//give alert if length is less than 8.
		if(numbers.length < 10) {
			alert("The number must be 10 digits");
			form.select();
		}

		form.value = output; //output to form
	}
}


function printpage() {
window.print();  
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}