function blank(s){//returns true if the element is blank
	for(var i=0; i<s.length; i++){
		var c=s.charAt(i);
		if((c!=' ') && (c!='') && (c!='\n')) return false;
	}
	return true;
}
function allblank(f){
	for (var i = 0; i<f.elements.length; i++){
		if(f.elements[i].type=="text" || f.elements[i].type=="textarea"){
			if(!blank(f.elements[i].value)){
				return true;
			}
		}
	}
	return false;
}
function alert_array(arr){
	var m="";
	for(var i=0;i<arr.length;i++){
		m+=arr[i]+"\n";
	}
	alert(m);
}
function get_element(elm){
	if(document.all){
		if(document.all[elm]) var el=document.all[elm];
		else return false;
	}	
	else if(document.getElementById){
		if(document.getElementById(elm)) var el=document.getElementById(elm);
		else return false;
	}
	return el;
}
function preload(url){
	var im = new Image();
	im.src=url;
}
function removeSpaces(string) {
	var tstring = "";
	string = '' + string;
	splitstring = string.split(" ");
	for(i = 0; i < splitstring.length; i++)
	tstring += splitstring[i];
	return tstring;
}
////////////Buttons///////////////
function buttonover(w,p){
	if(p=="photo") var preurl="../../../";
	else var preurl="";
	var div_el=get_element("div_"+w);
	var left_im=get_element("bleft_"+w);
	var right_im=get_element("bright_"+w);
	var link_el=get_element("link_"+w);
	div_el.className="button_over";
	left_im.src=preurl+"images/button_over_left.jpg";
	right_im.src=preurl+"images/button_over_right.jpg";
	link_el.style.color="#FFEE00";
}
function buttonout(w,p){
	if(p=="photo") var preurl="../../../";
	else var preurl="";
	var div_el=get_element("div_"+w);
	var left_im=get_element("bleft_"+w);
	var right_im=get_element("bright_"+w);
	var link_el=get_element("link_"+w);
	div_el.className="button_out";
	left_im.src=preurl+"images/button_out_left.jpg";
	right_im.src=preurl+"images/button_out_right.jpg";
	link_el.style.color="#000099";
}

function head_fade(){
	setTimeout("fade_in_head()",8000);
	setTimeout("fade_out_head()",16000);
	setTimeout("head_fade()",16000);
}

var fade_speed=75;
////////////////////// FADE HEAD IMAGE //////////////////////////////
var abs_URL="http://www.iandmautobodyrepairs.co.uk/";
//var abs_URL="http://localhost/iandmautobodyrepairs/";
var ims_headfade=new Array("images/headfade/im1.jpg","images/headfade/im2.jpg","images/headfade/im3.jpg","images/headfade/im4.jpg","images/headfade/im5.jpg","images/headfade/im6.jpg");
var im_current=1;
var f_step=0;
function fade_in_head(){
	f_step++;
	if(f_step>25){
		f_step=25;
		var imb=get_element("hf_bottom");
		im_current++;
		if(im_current==ims_headfade.length) im_current=0;
		imb.src=abs_URL+ims_headfade[im_current];
	}
	else{
		var imt=get_element("hf_top");
		imt.className="fade_"+f_step;
		setTimeout("fade_in_head()",fade_speed);
	}
}
function fade_out_head(){
	f_step--;
	var imt=get_element("hf_top");
	if(f_step<0){
		f_step=0;
		im_current++;
		if(im_current==ims_headfade.length) im_current=0;
		imt.src=abs_URL+ims_headfade[im_current];
	}
	else{
		imt.className="fade_"+f_step;
		setTimeout("fade_out_head()",fade_speed);
	}
}