// JavaScript Document Search Function
function checkSearchInput()
{
	if(document.searchFrom.hd_Channel.value=='' && document.searchFrom.dropdown.value=='0' && (document.getElementById("search").value=='Cerca' || document.getElementById("search").value==''))
	{
		alert('Please select criteria to search');
		return false;
	}
	if(document.searchFrom.hd_Channel.value=='' && document.searchFrom.dropdown.value=='0')
	{
		document.searchFrom.action=document.searchFrom.action+'search.php?query='+document.searchFrom.txt_search.value+'&search=1';
		return true;
	}
	else
	{
		document.searchFrom.action=document.searchFrom.action+'advancesearch.php';
		return true;
	}
}
function select_checkbox(Channel_Id)
{
var channel_selected_length='';
var channelvalues;
if(document.getElementById('chennalname_'+Channel_Id).checked)
{
	
	var channelvalues=document.searchFrom.hd_Channel.value;
	var ToAppend=0;
	
	channelvalues=channelvalues.split(',');
	channel_selected_length=channelvalues.length;
	if(channel_selected_length>1)
	{
		for(var i=0;i<=channel_selected_length;i++)
		{
			if(channelvalues[i]!='')
			{
				if(channelvalues[i]!=Channel_Id)
				{ ToAppend=1;}
				else
				{ ToAppend=0; break;}
			}
		}
		if(ToAppend==1)
		{	
			document.searchFrom.hd_Channel.value=document.searchFrom.hd_Channel.value+','+Channel_Id;
		}
	}
	else
	{
		document.searchFrom.hd_Channel.value=document.searchFrom.hd_Channel.value+','+Channel_Id;
	}
}
else
{
	var channelvalues=document.searchFrom.hd_Channel.value;
	channelvalues=channelvalues.split(',');
	channel_selected_length=channelvalues.length;
	if(channel_selected_length>1)
	{
		for(i=0;i<channel_selected_length;i++)
		{
			if(channelvalues[i]!='')
			{
				if(channelvalues[i]==Channel_Id)
				{
				 	channelvalues.splice(i,1); 
				}
			}
		}
		document.searchFrom.hd_Channel.value=channelvalues;
	}
}

}