function alpha(value,length)
{
	chk1="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ- ";
	for(i=0;i<length;i++)
	{
		ch1=value.charAt(i);
		rtn1=chk1.indexOf(ch1);
		if(rtn1==-1)
			return false;
	}
	return true;
}
function alphanum(value,length)
{
	chk1="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_. ";
	for(i=0;i<length;i++)
	{
		ch1=value.charAt(i);
		rtn1=chk1.indexOf(ch1);
		if(rtn1==-1)
			return false;
	}
	return true;
}

function decimalNumber(value,length){
	chk1="1234567890.";
	for(i=0;i<length;i++)
	{
		ch1=value.charAt(i);
		rtn1=chk1.indexOf(ch1);
		if(rtn1==-1)
			return false;
	}
	return true;
}
function number(value,length){
	chk1="1234567890-";
	for(i=0;i<length;i++)
	{
		ch1=value.charAt(i);
		rtn1=chk1.indexOf(ch1);
		if(rtn1==-1)
			return false;
	}
	return true;
}
function PhoneFormat(value,length){
	chk1="1234567890-()";
	for(i=0;i<length;i++)
	{
		ch1=value.charAt(i);
		rtn1=chk1.indexOf(ch1);
		if(rtn1==-1)
			return false;
	}
	return true;
}
function Trim(s) 
{
  // Remove leading spaces and carriage returns
  
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }

  // Remove trailing spaces and carriage returns

  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function pollwin(url,w, h)
{
	pollwindow=window.open(url,'pollwindow','top=0,left=0,status=no,toolbars=no,scrollbars=no,width='+w+',height='+h+',maximize=no,resizable');
	pollwindow.focus();
}
function checkValidNumber()
{  
	val = event.keyCode;
   	if(val<48)
	{
	  event.keyCode=0;
	 
	  }
	if(val>57)
	{
	  event.keyCode=0;
	 
	  }
	return true;
}
function newsletter_onsubmit(f){
	
	if(f.vEmail.value == 'Enter e-mail')
	{
		
		f.vEmail.focus();
		return false;
	}
	else
	{
		
		var result = isValidEmail(f.vEmail.value);
		if(!result)
		{
		//alert("Please enter a valid e-mail address to subscribe to the newsletter");
		f.vEmail.select();
		return result;
		}
		f.submit();
	}
}
function changeLocation(val)
{
	
	var newUrl = "";
	if(val == "1")
	{
		 newUrl = "index.php?file=c-productlist" + "&iCategoryId=" + document.getElementById("iCategoryId").value;
	}
	else if(val == "3")
	{
		 newUrl = "index.php?file=c-productlist" + "&iBrandId=" + document.getElementById("iBrandId").value + "&make=yes";
	}
	else if(val == "2")
	{
		 newUrl = "index.php?file=c-search" + "&txtSearch=" + document.getElementById("vtxtSearch").value + "&searchfor=" + document.getElementById("searchfor").value ;
	}
	else if(val == "4")
	{
		 newUrl = "index.php?file=c-search" + "&srange=" + document.getElementById("srange").value + "&erange=" + document.getElementById("erange").value + "&searchfor=" + document.getElementById("searchfor").value ;
	}
	else
	{
		 newUrl = "index.php?file=c-productlist";
	}
	
	newUrl = newUrl  + "&" + document.getElementById("iFieldName").value + "&listAll=" + document.getElementById("showListAll").value;
	
	window.location = newUrl;
}
function remove_compare(remove_id,url_id)
{
var remove=remove_id;
remove=remove+"-";
var from_para=url_id;
var new_url_id=from_para.replace(remove,"");
//alert(new_url_id);
if (new_url_id)
      {
	  newUrl="index.php?file=c-compare&compare_prod="+new_url_id;
	  window.location = newUrl;
	  }
	 else 
	  {
		newUrl="index.php?file=c-no_result";
		window.location = newUrl;
	  }

}

function comp_are(nr_max)
	{
	
	var j=0;
	var nr_sel=0;
	//var nr_max=20;
	//var parameter= new array() ;
	var para='compare_prod=';
	for (i=0;i<nr_max;i++)
	{
	ss='compare_product_id_'+i;
	var temp=document.getElementById(ss).value;
	if (temp) {
	if (document.getElementById(ss).checked) 
	{
	//alert(temp);
	//parameter[j]=temp;
	para=para+temp+'-';
	nr_sel=nr_sel+1;
	//j=j+1;
	}
	}
	}
	//alert(para);
	if (nr_sel==0) alert("Please select minimum one product to compare !");
	  else 
	    {
			
	newUrl = "index.php?file=c-compare" + "&"+para;
	window.location = newUrl;
		}
	}