$(function() { 
		 
		if (!String.prototype.startsWith) {
		    String.prototype.startsWith = function(prefix) {
		        return this.slice(0, prefix.length) == prefix;
		    };
		}
		
		if (!String.prototype.endsWith) {
			String.prototype.endsWith = function(search) {
				return this.substring(this.length - search.length, this.length) === search;
			};
		}
		
		if (!Object.values) {
			Object.values = function (obj) {
			    return Object.keys(obj).map(function (e) {
			        return obj[e];
			    });
		    }
	    }
	    
	    String.prototype.escapeJsonChars = function() {
    		return this.replace(/\n/g, "\\n")
               .replace(/\'/g, "\\'")
               .replace(/\"/g, '\\"')
               .replace(/\&/g, "\\&")
               .replace(/\r/g, "\\r")
               .replace(/\t/g, "\\t")
               .replace(/\b/g, "\\b")
               .replace(/\f/g, "\\f");
		};
		
		String.prototype.escapeXmlChars = function() {
    		return this.replace(/\'/g, "'")
               .replace(/\"/g, '"')
               .replace(/\&/g, "&")
               .replace(/</g, "&lt;")
               .replace(/>/g, "&gt;");
		};
		
		String.prototype.asciiCharsOnly = function() {
    		return this.replace(/[^\x20-\x7E]/g, "");
		};
		
		String.prototype.escapeCsvChars = function() {
    		return this.replace(/"/g, '""');
		};
						
	}); 					

	var helpPanel;
	
	function openFieldLevelHelp(pageId, fieldName) {
		$.getJSON( "/sevis/action/common/getHelpContent", { "pageId": pageId, "fieldName": fieldName } )
		   .done(function( data ) {
			
				if (data === undefined) {
					data = {
						title: 'SEVIS Help',
						content: 'Help not currently available'
					}
				} else if (typeof data == "string" && data.indexOf("Session Time Out") > -1) {
					data = {
						title: 'SEVIS Help',
						content: '<div style="margin: 10px">Your session has timed out. Please <a href="/sevis">log back in</a> and try again.</div>'
					}
				}
				
				if (helpPanel === undefined) {
					helpPanel = $.jsPanel({
					    theme:    "primary",
					    position: "center right",
					    size: {
					        width: function(){ return $(window).width()/4 },
					        height: function(){ return $(window).height()/2 }
					    },
					    overflow: { horizontal: 'hidden', vertical: 'scroll' },
					    onclosed: function() { helpPanel = undefined; }
					});
				} else {
					helpPanel.reposition("center right")
				}
				
				output = "<div style='margin: 10px'>" + data.content + "</div>"
				helpPanel.header.title.html(data.title);
				helpPanel.content.html(output);
				
				$(".jsPanel-title").focus()
			});
	}
	
	function openFieldLevelHelpOnKeyUp(event, pageId, fieldName) {
		if (event.type === 'click') {
	        openFieldLevelHelp(pageId, fieldName);
	    } else if(event.type === 'keypress'){
        	var code = event.charCode || event.keyCode;
        	if ((code === 32) || (code === 13)) {
        		event.preventDefault();
            	openFieldLevelHelp(pageId, fieldName);
        	}
    	}
	}
	
	<!-- Legacy mouse over and out functions to prevent console errors -->
	function msover() {
    
	}
	
	function msout() {
    
	}
	
	function escapeXmlForExcel(unsafe) {
		data = unsafe;
		// dollar sign followed immed by apostrophe breaks excel export for some crazy reason so add a space between
		if (data.indexOf("$'") > -1) {
        	data = data.replace(/\$'/g, "$ '"); 
        }
	    return data.replace(/[<>&'"`]/g, function (c) {
	        switch (c) {
	            case '<': return '&lt;';
	            case '>': return '&gt;';
	            case '&': return '&amp;';
	            case '\'': return '\'';
	            case '"': return '\"';
	            case '`': return '\'';
        	}	
    	});
	}
    
    function escapeLessThanGreaterThan(unsafe) {
	    return unsafe.replace(/[<>]/g, function (c) {
	        switch (c) {
	            case '<': return '\'';
	            case '>': return '\"';
        	}
    	});
	}