var been_here = 0;

function search_nav_jump(jmp_to) {
	// For some reason, IE wants to run this code snippet twice, so we stop it.
	if(been_here == 0) {
		been_here = 1;
		var url = '?_page='+module+':search_show&search_id='+search_id+'&page='+jmp_to +'&' + sort1 + '&order_by=' + order + p;
		if(pgescape==true)
			url += '&_escape=1';

		window.location = url;
	}
}

function search_nav_top() {
	var iPages = (new Number(pages)) + 0;
	var iPage = (new Number(page)) + 0;

	if(iPages <= 1) {
		return '';

	} else {
		var rw = '';
		var ff = '';
		var jmp= '';

		if(iPage > 1) {
			var last = iPage - 1;
			rw = ' <input type="image" src="themes/'+THEME_NAME+'/images/icons/rewnd_24.gif" onClick="search_nav_jump(1);"/>';
			rw += ' &nbsp; <input type="image" src="themes/'+THEME_NAME+'/images/icons/back_24.gif" onClick="search_nav_jump(' +last+ ');"/>&nbsp;';
		} else {
			rw = ' &nbsp; <input type="image" src="themes/'+THEME_NAME+'/images/icons/rewnd_24.gif"/>';
			rw += ' &nbsp; <input type="image" src="themes/'+THEME_NAME+'/images/icons/back_24.gif"/>&nbsp;';
		}

		if(iPage < iPages) {
			var next = iPage;
			++next;
			ff = ' &nbsp; <input type="image" src="themes/'+THEME_NAME+'/images/icons/forwd_24.gif" onClick="search_nav_jump(' +next+ ');"/>';
			ff += ' &nbsp; <input type="image" src="themes/'+THEME_NAME+'/images/icons/fastf_24.gif" onClick="search_nav_jump(' +iPages+ ');"/>';
		} else {
			ff = ' &nbsp; <input type="image" src="themes/'+THEME_NAME+'/images/icons/forwd_24.gif"/>';
			ff += ' &nbsp; <input type="image" src="themes/'+THEME_NAME+'/images/icons/fastf_24.gif"/>';
		}

		jmp = '<span class="body"><input name="search_nav" size="3" onChange="search_nav_go(this.value);" value="' + iPage + '"/> of ' + iPages + ' pages</span>';

		var ret = '<div id="srchpage"><table width="350" border="0" cellspacing="5" cellpadding="1" valign="middle" align="center"><tr><td><table width="100%" border="0" cellpadding="1"><tr>';
		ret += '<td valign="middle" align="right">'+ rw +'</td>';
		ret += '<td valign="middle" align="center">'+ jmp +'</td><form name="search_nav" method="post" action="">';
		ret += '</form><td valign="middle" align="left">'+ ff +'</td>';
		ret += '</tr></table></td></tr></table></div>';

		return ret;
	}
}

// paging validation and go
function search_nav_go(jumppage) {
	var iPages = (new Number(pages)) + 0;
	var iPage = (new Number(jumppage)) + 0;
	var iOrig = (new Number(page)) + 0;

	if(iPage == iOrig) {
		return false;
	}

	if(iPage > 0 && iPage <= iPages) {
		search_nav_jump(iPage);
	} else {
		alert(iPage + ' is an invalid page number. Please enter a number from 1 to ' + iPages + '.');
	}

	return false;
}

// search heading handler
function search_heading(title,field) {
	if(order == field) {
		if(sort1 == 'desc=') {
			newsort = 'asc';
			newimg = 'desc.gif';
		}

		if(sort1 == 'asc=') {
			newsort = 'desc';
			newimg = 'asc.gif';
		}

	} else {
		newsort = 'asc';
		newimg = '';
	}

	var url = '?_page='+module+':'+method+'&search_id='+search_id+'&page='+page+'&'+newsort+'=&order_by='+field+''+p+pgescape;

	if (newimg)
		var returns = '<a href="'+url+'" class="table_heading_txt"><u>'+title+'</u> <img src="themes/' + THEME_NAME + '/images/db_'+newimg+'" border="0"></a>';
	else
		var returns = '<a href="'+url+'" class="table_heading_txt">'+title+'</a>';

	return returns;
}

// Function to handle select/unselect of values
function row_sel(id,type,style) {
	if(type == 0) {
		document.getElementById("record"+id).checked = false;
		class_change('row'+id, style);
		return;
	}

	var checked = document.getElementById("record"+id).checked;

	if(checked == false) {
		document.getElementById("record"+id).checked = true;
	} else {
		document.getElementById("record"+id).checked = false;
	}

	class_change('row'+id, 'row_select');
	return;
}

// handles the mouseover event for row...
function row_mouseover(id,style1,style2) {
	var checked = document.getElementById("record"+id).checked;

	class_change('row'+id, checked ? style1 : style2);
}

// handles the mouseover event for row...
function row_mouseout(id,style1,style2) {
	var checked = document.getElementById("record"+id).checked;

	class_change('row'+id, checked ? style2 : style1);
}

// selects all the records
function all_select() {
	for(i=0; i < limit; i++) {
		if(record_arr[i] != undefined) {
			document.getElementById("record"+record_arr[i]).checked = true;
			class_change('row'+record_arr[i],'row_select');
		}
	}
}

// unselects all the records
function all_deselect() {
	var c = true;
	for(i=0; i < limit; i++) {
		if(record_arr[i] != undefined) {
			document.getElementById("record"+record_arr[i]).checked = false;
			if(c) {
				class_change('row'+record_arr[i],'row1');
				c = false;
			} else {
				class_change('row'+record_arr[i],'row2');
				c = true;
			}
		}
	}
}

// select all the records between the first & last selected rows
function all_range_select() {
	var start = false;
	var end = false;

	for(i=0; i < limit; i++) {
		if(record_arr[i] != undefined) {
			var checked = document.getElementById("record"+record_arr[i]).checked;

			if(checked != '') {
				if(!start) {
					start = true;
				} else {
					end = true;
				}

			} else {
				if((start == true) && (end == false)) {
					document.getElementById("record"+record_arr[i]).checked = true;
					class_change('row'+record_arr[i],'row_select');
				} else {
					start = false;
					end = false;
				}
			}
		}
	}
}

// Mass update, view, and delete controller
function mass_do(doit, page, limit, module) {
	var count = 0;
	var id = '';

	for(i=0; i < limit; i++) {
		if(record_arr[i] != undefined) {
			var checked = document.getElementById("record"+record_arr[i]).checked;
			var this_id = document.getElementById("record"+record_arr[i]).value;

			if (checked != '') {
				count++;
				id = id + this_id + ',';
			}
		}
	}
	id = id.replace(/,$/,'');

	if(count == 0) {
		alert('You must first select some records for this action!');
		return;
	}

	if(count > 0) {
		var url = '?_page=' + page + '&id=' + id;

		if(doit != '') {
			url = url + '&do[]=' + module + ':' + doit;

			if(doit == 'delete') {
				if(count == 1) {
					temp = window.confirm('Are you sure you wish to delete this record?');
				} else {
					temp = window.confirm('Are you sure you wish to delete these records?');
				}

				window.status=(temp)?'confirm:true':'confirm:false';
				if(temp == false) return;

			}
		}

		window.location = url;
	}
}

var nav4 = document.search_results ? true : false;
function key_handler(e) {
	// Navigator 4.0x
	if (nav4) {
		var whichCode = e.which;
	} else {
		// Internet Explorer 4.0x
		if (e.type == 'keypress') {
			var whichCode = e.keyCode;
		} else {
			var whichCode = e.button;
		}
	}

	if (e.type == 'keypress') {
		var pressed = String.fromCharCode(whichCode);
	} else {
		var pressed = whichCode;
	}

	// determine the function to run, if any...
	if(pressed == 's' || pressed == 'S') {
		all_select(record_arr,limit);
	}

	if(pressed == 'd' || pressed == 'D') {
		all_deselect(record_arr,limit);
	}

	if(pressed == 'r' || pressed == 'R') {
		all_range_select(record_arr,limit);
	}

	if(pressed == 'x' || pressed == 'X') {
		mass_do('delete', module+':'+method+'&search_id='+search_id+'&page='+page+'&order_by='+order+'&'+sort1,limit,module);
	}

	if(pressed == 'v' || pressed == 'V') {
		mass_do('',module+":view", limit, module);
	}
}