// JavaScript Document

var _browser = getBrowser ();

Array.prototype.indexOf=function(n){for(var i=0;i<this.length;i++){if(this[i]===n){return i;}}return -1;}
Array.prototype.lastIndexOf=function(n){var i=this.length;while(i--){if(this[i]===n){return i;}}return -1;}
Array.prototype.forEach=function(f){var i=this.length,j,l=this.length;for(i=0;i<l;i++){if((j=this[i])){f(j);}}};
Array.prototype.insert=function(i,v){if(i>=0){var a=this.slice(),b=a.splice(i);a[i]=value;return a.concat(b);}}
Array.prototype.shuffle=function(){var i=this.length,j,t;while(i--){j=Math.floor((i+1)*Math.random());t=arr[i];arr[i]=arr[j];arr[j]=t;}}
Array.prototype.unique=function(){var a=[],i;this.sort();for(i=0;i<this.length;i++){if(this[i]!==this[i+1]){a[a.length]=this[i];}}return a;}
if(typeof Array.prototype.concat==='undefined'){Array.prototype.concat=function(a){for(var i=0,b=this.copy();i<a.length;i++){b[b.length]=a[i];}return b;};}
if(typeof Array.prototype.copy==='undefined'){Array.prototype.copy=function(a){var a=[],i=this.length;while(i--){a[i]=(typeof this[i].copy!=='undefined')?this[i].copy():this[i];}return a;};}
if(typeof Array.prototype.pop==='undefined'){Array.prototype.pop=function(){var b=this[this.length-1];this.length--;return b;};}
if(typeof Array.prototype.push==='undefined'){Array.prototype.push=function(){for(var i=0,b=this.length,a=arguments;i<a.length;i++){this[b+i]=a[i];}return this.length;};}
if(typeof Array.prototype.shift==='undefined'){Array.prototype.shift=function(){for(var i=0,b=this[0];i<this.length-1;i++){this[i]=this[i+1];}this.length--;return b;};}
if(typeof Array.prototype.slice==='undefined'){Array.prototype.slice=function(a,c){var i=0,b,d=[];if(!c){c=this.length;}if(c<0){c=this.length+c;}if(a<0){a=this.length-a;}if(c<a){b=a;a=c;c=b;}for(i;i<c-a;i++){d[i]=this[a+i];}return d;};}
if(typeof Array.prototype.splice==='undefined'){Array.prototype.splice=function(a,c){var i=0,e=arguments,d=this.copy(),f=a;if(!c){c=this.length-a;}for(i;i<e.length-2;i++){this[a+i]=e[i+2];}for(a;a<this.length-c;a++){this[a+e.length-2]=d[a-c];}this.length-=c-e.length+2;return d.slice(f,f+c);};}
if(typeof Array.prototype.unshift==='undefined'){Array.prototype.unshift=function(a){this.reverse();var b=this.push(a);this.reverse();return b;};}


function getBrowser() {
	var browserName = navigator.appName;
	if ( browserName.search ('Internet Explorer') != -1  ) {
		return 'Internet Explorer';
	} else if ( browserName.search ('Netscape') != -1 ) {
        return 'Netscape';
	} else if ( browserName.search ('Opera') != -1 ) {
        return 'Opera';
	} else {
		return 'Other';
	}
}

function addOption (n, f, t, v) {
	var selOp = eval ('document.forms.'+f+'.'+n+'');
	var len = selOp.options.length;
	if (v.search('notsel')==-1)
	{
		selOp.options[len] = new Option (t, v);
	}
	else
	{
		var optgroup = document.createElement('optgroup');
		optgroup.label = t;
		selOp.appendChild(optgroup);
	}
}

function removeOptions (n, f) {

	if ( _browser == 'Internet Explorer' ) {
		
		var selOp = document.getElementById(n);
		//var selOp = eval ('document.forms.'+f+'.'+n+'');
		
		var len = selOp.options.length;
     	for ( i=len;i>0;i-- ) {
     		selOp.options.remove(i);
     		//var len = selOp.options.length;
			//i = 0;
   	 	}

		
		//alert (selOp.childNodes.length);
   	 	   	 	
   	 	//selOp.options[0].selected = true;
	} else {
		var selOp = document.getElementById (n);
		var len = selOp.length;
     	for ( i=len;i>0;i-- ) {
			selOp.remove (i);
			var len = selOp.length;
			//i = 0;
		}
	}
		
	for (j=selOp.childNodes.length-1;j>0;j--)
		if (selOp.childNodes[j].nodeName=="OPTGROUP")
			selOp.removeChild(selOp.childNodes[j]);
}

function getOption (n, f, o) {
	var selOp = eval ('document.forms.'+f+'.'+n+'');
	if ( o == 't' ) {
		return selOp.options[ selOp.selectedIndex ].text;
	} else {
     	return selOp.options[ selOp.selectedIndex ].value;
   	}
}

function checkOption (n, f, o, v) {
	var selOp = eval ('document.forms.'+f+'.'+n+'');
	var c = selOp.options.length;
	for ( x=0; x < c ;x++ ) {
		var r = selOp.options[x].value;
		if ( r == v ) {
   			return true;
		}
	}
	return false;
}

function selectOption (n, f, o, v) {
	var selOp = eval ('document.forms.'+f+'.'+n+'');
	var c = selOp.options.length;
	for ( x=0; x < c ;x++ ) {
		if ( n == "cars" ) {
			var r = selOp.options[x].value;
			r = r.split ('|');
			r = r[0];
		} else {
			var r = selOp.options[x].value;
		}
		if ( r == v ) {
			selOp.options[x].selected = true;
   			break;
		}
	}
}

function autoSelectOption (n, f) {
	var selOp = eval ('document.forms.'+f+'.'+n+'');
	var len = selOp.options.length;
	if ( len == 2 ) {
		selOp.options[0].selected = false;
		selOp.options[1].selected = true;
		//selOp.disabled = true;
	} else if ( len == 1 ) {
		//selOp.disabled = true;
	} else {
		selOp.disabled = false;
	}
	return len;
}

function inArray(value, arr_vals)
{
  var returnArray = false;
  for (i=0; i<arr_vals.length; i++) {
		if (value==arr_vals[i]) return true;
  }
  return false;	
}

Array.prototype.find = function(searchStr) {
  var returnArray = false;
  for (i=0; i<this.length; i++) {
    if (typeof(searchStr) == 'function') {
      if (searchStr.test(this[i])) {
        if (!returnArray) { returnArray = [] }
        returnArray.push(i);
      }
    } else {
      if (this[i]===searchStr) {
        if (!returnArray) { returnArray = [] }
        returnArray.push(i);
      }
    }
  }
  return returnArray;
}